Common use of PLUMBING AND DRAINAGE Clause in Contracts

PLUMBING AND DRAINAGE. NOTE: Tenderers are advised to study the General Preambles for Trades 2017 before pricing this bill SUPPLEMENTARY PREAMBLES UPVC pipes and fittings Soil, waste and vent pipes and fittings shall be solvent weld jointed UPVC pressure pipes and fittings Pipes for water supply shall be of the Class stated Pipes of 40mm diameter and smaller shall be plain ended with solvent welded uPVC loose sockets and fittings Pipes of 50mm diameter and greater shall have sockets and spigots with push in type integral rubber ring joints. Bends shall be uPVC and all other fittings shall be cast iron, all with similar push- in type joints CARRIED TO COLLECTION Section No. 2 Bill No. 4 Internal Plumbing Benoni Building Legal Aid South Africa Amount Copper pipes Pipes shall be hard drawn and half-hard pipes of the class stated. Class 0 (thin walled hard drawn) pipes shall not be bent. Class 1 (thin walled half- hard), class 2 (half-hard) and Class 3 (heavy walled half-hard) pipes shall only be bent with benders with inner and outer formers. Fittings to copper waste, vent and anti-syphon pipes, capillary solder fittings and compression fittings shall be "Cobra Watertech" type. Capillary solder fittings shall comply with ISO 2016. Only compression fittings shall be used in walls or in ground Fixing of pipes Unless specifically otherwise stated, descriptions of pipes shall be deemed to include fixing to walls etc, casting in, building in or suspending not exceeding 1m below suspension level Reducing fittings Where fittings have reducing ends or branches they are described as "reducing". In the case of pipes with diameters not exceeding 60mm only the largest end or branch size is given. Should the contractor wish to use other fittings and bushes or reducers he may do so on the understanding that no claim in this regard will be entertained. In the case of pipes with diameters exceeding 60mm all sizes are given and no claim for extra bushes, reducers, etc will be entertained Wire gratings Descriptions of gutter outlets, etc shall be deemed to include wire balloon gratings CARRIED TO COLLECTION R Section No. 2 Bill No. 4 Internal Plumbing Benoni Building Legal Aid South Africa Exposed concrete surfaces Exposed surfaces of concrete stormwater channels, cover slabs, inspection eye marker slabs, xxxxxx tops, cleaning eye tops, catchpits, inspection xxxxxxxx, etc shall be finished smooth with plaster Excavations No claim for rock excavation will be entertained unless the contractor has timeously notified the quantity surveyor thereof prior to backfilling "Soft rock" and "Hard rock" shall be as defined in "Earthworks" Laying, backfilling, bedding, etc of pipes Pipes shall be laid and bedded and trenches shall be carefully backfilled in accordance with manufacturers' instructions Where no manufacturers' instructions exist pipes shall be laid in accordance with clauses 5.1 and 5.2 of each of the following: SABS 1200 L: Medium-pressure pipelines SABS 1200LD: Sewers SABS1200LE: Stormwater drainage Pipe trenches etc shall be backfilled in accordance with clauses 3, 5.5, 5.6, 5.7 and 7 of SABS 1200DB : Earthworks (Pipe trenches) Pipes shall be bedded in accordance with clauses 3.1 to 3.4.1, 5.1 to 5.3 and 7 of SABS 1200LB : Bedding (Pipes) Unless otherwise described bedding of rigid pipes shall be Class B bedding CARRIED TO COLLECTION R Section No. 2 Bill No. 4 Internal Plumbing Benoni Building Legal Aid South Africa Flush pans Flush pans shall have straight or side outlets and "P" or "S" traps as necessary Stainless steel basins, sinks, wash troughs, urinals, etc Units shall have standard aprons on all exposed edges and tiling keys against walls where applicable Waste unions Descriptions of waste unions shall be deemed to include rubber or vulcanite plugs and chains fixed to fittings Steel sectional water tanks Tanks shall comply with SABS CKS 114 Petroleum anti-corrosion tape Pipes to be taped shall be coated with the appropriate primer and the tape shall be applied with minimum 15mm lap per spiral unless otherwise described Couplings and fittings to pipes shall be taped in strict accordance with the manufacturer's instructions including all mastic, tape, "Layflat" sheeting, securing of same, etc Prices for wrapping of pipes shall include for all work as described to couplings in the length GUTTERS, DOWNPIPES, ETC.

PLUMBING AND DRAINAGE. NOTE: Tenderers are advised to study the General Preambles Stainless steel for Trades 2017 before pricing this bill SUPPLEMENTARY PREAMBLES UPVC pipes and fittings Soillaboratory sinks, waste and vent pipes and fittings photographic equipment, etc shall be solvent weld jointed UPVC type 316 (18/8) Units shall have standard aprons on all exposed edges and tiling keys against walls where applicable Flush pans Flush pans shall have straight or side outlets and "P" or "S" traps as necessary uPVC pressure pipes and fittings Pipes for water supply shall be of the Class stated class described Pipes of 4042mm diameter and smaller shall be plain ended with solvent welded uPVC loose sockets and fittings Pipes of 50mm diameter and greater shall have sockets and spigots with push push-in type integral rubber ring joints. Bends shall be uPVC and all other fittings shall be cast iron, all with similar push- push-in type joints CARRIED TO COLLECTION Section No. 2 Bill No. HDPE (high density polyethylene) pipes and fittings Pipes shall be type 4 Internal Plumbing Benoni Building Legal Aid South Africa Amount and of the class specified with "Plasson" or "Alprene" compression fittings "Polycop" polypropylene pipes Polypropylene pipes of 54mm diameter and smaller shall be seamless copper coloured class 16 pipes jointed with "Fast-fuse" heat welded thermoplastic or brass compression fittings as designed for use with copper pipes, as described Pipes shall be firmly fixed to walls, etc with coloured nylon snap-in pipe clips with provision for accommodating thermal movement and jointed and fixed All pipe diameters are nominal external Copper pipes Pipes shall be hard drawn and half-hard pipes of the class stateddescribed. Class 0 (thin walled hard drawn) pipes shall not be bent. Class 1 (thin walled half- half-hard), class 2 (half-hard) and Class class 3 (heavy walled half-hard) pipes shall only be bent with benders with inner and outer formers. Fittings to copper waste, vent and anti-syphon pipes, capillary solder fittings and compression fittings shall be "Cobra Watertech" type. Capillary solder fittings shall comply with ISO 2016. Only compression fittings shall be used in walls or in ground Fixing of pipes Unless specifically otherwise stated, descriptions of pipes shall be deemed 2016 Carried to include fixing to walls etc, casting in, building in or suspending not exceeding 1m below suspension level Reducing fittings Where fittings have reducing ends or branches they are described as "reducing". In the case of pipes with diameters not exceeding 60mm only the largest end or branch size is given. Should the contractor wish to use other fittings and bushes or reducers he may do so on the understanding that no claim in this regard will be entertained. In the case of pipes with diameters exceeding 60mm all sizes are given and no claim for extra bushes, reducers, etc will be entertained Wire gratings Descriptions of gutter outlets, etc shall be deemed to include wire balloon gratings CARRIED TO COLLECTION Collection R Section No. 2 Bill No. 4 Internal Plumbing Benoni Building Legal Aid South Africa Exposed concrete surfaces Exposed surfaces of concrete stormwater channels, cover slabs, inspection eye marker slabs, xxxxxx tops, cleaning eye tops, catchpits, inspection xxxxxxxx, etc shall be finished smooth with plaster Excavations No claim for rock excavation will be entertained unless the contractor has timeously notified the quantity surveyor thereof prior to backfilling "Soft rock" and "Hard rock" shall be as defined in "Earthworks" Laying, backfilling, bedding, etc of pipes Pipes shall be laid and bedded and trenches shall be carefully backfilled in accordance with manufacturers' instructions Where no manufacturers' instructions exist pipes shall be laid in accordance with clauses 5.1 and 5.2 of each of the following: SABS 1200 L: Medium-pressure pipelines SABS 1200LD: Sewers SABS1200LE: Stormwater drainage Pipe trenches etc shall be backfilled in accordance with clauses 3, 5.5, 5.6, 5.7 and 7 of SABS 1200DB : Earthworks (Pipe trenches) Pipes shall be bedded in accordance with clauses 3.1 to 3.4.1, 5.1 to 5.3 and 7 of SABS 1200LB : Bedding (Pipes) Unless otherwise described bedding of rigid pipes shall be Class B bedding CARRIED TO COLLECTION R Section No. 2 Bill No. 4 Internal Plumbing Benoni Building Legal Aid South Africa Flush pans Flush pans shall have straight or side outlets and "P" or "S" traps as necessary Stainless steel basins, sinks, wash troughs, urinals, etc Units shall have standard aprons on all exposed edges and tiling keys against walls where applicable Waste unions Descriptions of waste unions shall be deemed to include rubber or vulcanite plugs and chains fixed to fittings Steel sectional water tanks Tanks shall comply with SABS CKS 114 Petroleum anti-corrosion tape Pipes to be taped shall be coated with the appropriate primer and the tape shall be applied with minimum BILL NO 15mm lap per spiral unless otherwise described Couplings and fittings to pipes shall be taped in strict accordance with the manufacturer's instructions including all mastic, tape, "Layflat" sheeting, securing of same, etc Prices for wrapping of pipes shall include for all work as described to couplings in the length GUTTERS, DOWNPIPES, ETC.

PLUMBING AND DRAINAGE. NOTE: Tenderers are advised to study the General Preambles for Trades 2017 before pricing this bill SUPPLEMENTARY PREAMBLES UPVC pipes and fittings Soil, waste and vent pipes and fittings shall be solvent weld jointed UPVC pressure pipes and fittings Pipes for water supply shall be of the Class stated Pipes of 40mm diameter and smaller shall be plain ended with solvent welded uPVC loose sockets and fittings Pipes of 50mm diameter and greater shall have sockets and spigots with push in type integral rubber ring joints. Bends shall be uPVC and all other fittings shall be cast iron, all with similar push- in type joints CARRIED TO COLLECTION Section No. 2 Bill No. 4 Internal Plumbing Benoni Building Legal Aid South Africa Amount Copper pipes Pipes shall be hard drawn and half-hard pipes of the class stated. Class 0 (thin walled hard drawn) pipes shall not be bent. Class 1 (thin walled half- hard), class 2 (half-hard) and Class 3 (heavy walled half-hard) pipes shall only be bent with benders with inner and outer formers. Fittings to copper waste, vent and anti-syphon pipes, capillary solder fittings and compression fittings shall be "Cobra Watertech" type. Capillary solder fittings shall comply with ISO 2016. Only compression fittings shall be used in walls or in ground Fixing of pipes Unless specifically otherwise stated, descriptions of pipes shall be deemed to include fixing to walls etc, for : - casting in, building in, chasing in and fixing to walls, etc, including chasing; or - placing in ground or filling under solid floors, including necessary excavation, backfilling and ramming; or - suspending not exceeding 1m below suspension level Disinfection of potable water pipelines Descriptions of all potable water pipelines shall be deemed to include for disinfection in accordance with 5.10 of SANS 1200 L Reducing fittings Where fittings have reducing ends or branches they are described as "reducing". In the case of pipes with diameters not exceeding 60mm mm, only the largest end or branch size is given. Should the contractor wish to use other fittings and bushes or reducers he may do so on the understanding that no claim in this regard will be entertained. In the case of pipes with diameters exceeding 60mm mm, all sizes are given and no claim for extra bushes, reducers, etc will be entertained Wire gratings Descriptions of gutter outlets, etc shall be deemed to include wire balloon gratings CARRIED TO COLLECTION R Section No. 2 Bill No. 4 Internal Plumbing Benoni Building Legal Aid South Africa Exposed concrete surfaces Exposed surfaces of concrete stormwater channels, cover slabs, inspection eye marker slabs, xxxxxx tops, cleaning eye tops, catchpits, inspection xxxxxxxx, etc shall be finished smooth with plaster Excavations No claim for rock excavation will be entertained unless the contractor has timeously notified the quantity surveyor thereof prior to backfilling "Soft rock" and "Hard rock" shall be as defined in "Earthworks" Laying, backfilling, bedding, etc of pipes Pipes shall be laid and bedded and trenches shall be carefully backfilled in accordance with manufacturers' instructions Where no manufacturers' instructions exist pipes shall be laid in accordance with clauses 5.1 and 5.2 of each of the following: SABS 1200 L: Medium-pressure pipelines SABS 1200LD: Sewers SABS1200LE: Stormwater drainage Pipe trenches etc shall be backfilled in accordance with clauses 3, 5.5, 5.6, 5.7 and 7 of SABS 1200DB : Earthworks (Pipe trenches) Pipes shall be bedded in accordance with clauses 3.1 to 3.4.1, 5.1 to 5.3 and 7 of SABS 1200LB : Bedding (Pipes) Unless otherwise described bedding of rigid pipes shall be Class B bedding CARRIED TO COLLECTION R Section No. 2 Bill No. 4 Internal Plumbing Benoni Building Legal Aid South Africa Flush pans Flush pans shall have straight or side outlets and "P" or "S" traps as necessary Stainless steel basins, sinks, wash troughs, urinals, etc Units shall have standard aprons on all exposed edges and tiling keys against walls where applicable Waste unions Descriptions of waste unions shall be deemed to include rubber or vulcanite plugs and chains fixed to fittings Steel sectional water tanks Tanks shall comply with SABS CKS 114 Petroleum Geyser installations Geyser installations shall comply with SANS 10254 "Densyl" petrolatum anti-corrosion tape as manufactured by Denso SA (Pty) Ltd Pipes to be taped shall be coated with the appropriate primer and the tape shall be applied in the appropriate widths and with minimum 15mm lap per spiral unless otherwise described relevant overlaps for specific diameters of pipes Couplings and fittings to pipes shall be taped in strict accordance with the manufacturer's instructions instructions, including all mastic, tape, "Layflat" sheeting, securing of same, etc Prices for wrapping of pipes shall include for all work as described to couplings in the length GUTTERS, DOWNPIPES, ETC.General Descriptions of cast iron roof outlets shall be deemed to include joints to pipes and casting into concrete Carried to Collection R BILL NO 15

PLUMBING AND DRAINAGE. NOTE: Tenderers are advised to study the PREAMBLES For preambles see "Construction Specifications - General Preambles for Trades 2017 before pricing this bill Specification (PW371-A)" and "Construction Specifications - Particular Specification (PW371-B)" SUPPLEMENTARY PREAMBLES UPVC Wire gratings Descriptions of gutter outlets etc shall be deemed to include wire balloon gratings Stainless steel basins, sinks, wash troughs, urinals, etc Stainless steel for economy basins, domestic sinks and worktops shall be Type 430 (17/0) Stainless steel for urinals, basins, quality sinks, wash troughs, institutional equipment, etc shall be Type 304 (18/8) Stainless steel for laboratory sinks, photographic equipment, etc shall be Type 316 (18/8) Units shall have standard aprons on all exposed edges and tiling keys against walls where applicable Sealing of edges Outer edges of sinks, basins, baths, urinals, etc are to be sealed against adjacent surfaces with approved silicone Waste unions Descriptions of waste unions shall be deemed to include rubber or vulcanite plugs and chains fixed to fittings Carried to Collection R Section No. 2 4 X 4-CLASSROOMS WITH STORES Bill No. 12 PLUMBING AND DRAINAGE Xxxx Xxxxxxx Primary School Amount PVC-U pipes and fittings Sewer and drainage pipes and fittings shall be jointed and sealed with butyl rubber rings Soil, waste and vent pipes and fittings shall be solvent weld jointed UPVC or sealed with butyl rubber rings PVC-U pressure pipes and fittings Pipes for water supply shall be of the Class stated Pipes of 4050mm diameter and smaller shall be plain ended with solvent welded uPVC PVC-U loose sockets and fittings Pipes of 5063mm diameter and greater shall have sockets and spigots with push push-in type integral rubber ring joints. Bends shall be uPVC PVC-U and all other fittings shall be cast iron, all with similar push- push-in type joints CARRIED TO COLLECTION Section No. 2 Bill No. 4 Internal Plumbing Benoni Building Legal Aid South Africa Amount High density polyethylene (HDPe) pipes and fittings Pipes shall be type IV and of the class specified with compression fittings Polypropylene pipes Polypropylene pipes 54mm diameter and smaller shall be seamless copper coloured Class 16 pipes jointed with heat welded thermoplastic or where so described compression fittings Pipes shall be firmly fixed to walls, etc with coloured nylon snap-in pipe clips with provision for accommodating thermal movement and jointed and fixed strictly in accordance with the manufacturer's instructions Copper pipes Pipes shall be hard drawn and half-hard pipes of the class stateddescribed. Class 0 (thin walled hard drawn) pipes shall not be bent. Class 1 (thin walled half- half-hard), class Class 2 (half-hard) and Class 3 (heavy walled half-hard) pipes shall only be bent with benders with inner and outer formers. Fittings to copper waste, vent and anti-syphon pipes, capillary solder fittings and compression fittings shall be "Cobra Watertech?" type. Capillary solder fittings shall comply with ISO 20162016 Carried to Collection R Section No. Only compression fittings shall 2 4 X 4-CLASSROOMS WITH STORES Bill No. 12 PLUMBING AND DRAINAGE Xxxx Xxxxxxx Primary School Copper pipes are to be used installed in walls or accordance with the latest revision of the Code of Practice for Copper Plumbing soldering techniques. Flux, solder, etc to be strictly in ground Fixing of pipes Unless specifically otherwise stated, descriptions of pipes shall be deemed accordance with the manufacturer's requirements with special attention to include fixing to walls etc, casting in, building in or suspending not exceeding 1m below suspension level copper flux composition Reducing fittings Where fittings have reducing ends or branches they are described as "reducing". In the case of pipes with diameters not exceeding 60mm " and only the largest end or branch size is given. Should the contractor wish to use other fittings and bushes or reducers he may do so on the understanding that no claim in this regard will be entertained. In the case entertained Fixing of pipes with diameters exceeding 60mm all sizes are given and no claim for extra bushesUnless specifically otherwise stated, reducers, etc will be entertained Wire gratings Descriptions descriptions of gutter outlets, etc pipes shall be deemed to include wire balloon gratings CARRIED TO COLLECTION R Section No. 2 Bill No. 4 Internal Plumbing Benoni Building Legal Aid South Africa Exposed concrete surfaces Exposed surfaces of concrete stormwater channelsfixing to walls, cover slabsetc, inspection eye marker slabscasting in, xxxxxx tops, cleaning eye tops, catchpits, inspection xxxxxxxx, etc shall be finished smooth with plaster Excavations No claim for rock excavation will be entertained unless the contractor has timeously notified the quantity surveyor thereof prior building in or suspending not exceeding 1m below suspension level Paper wrapping to backfilling "Soft rock" and "Hard rock" shall be as defined in "Earthworks" Laying, backfilling, bedding, etc of pipes Pipes shall chased into brickwork must be laid and bedded and trenches shall be carefully backfilled in accordance wrapped with manufacturers' instructions Where no manufacturers' instructions exist pipes shall be laid in accordance two layers of xxxxx brown paper tied with clauses 5.1 and 5.2 of each of the following: SABS 1200 L: Medium-pressure pipelines SABS 1200LD: Sewers SABS1200LE: Stormwater drainage Pipe trenches etc shall be backfilled in accordance with clauses 3, 5.5, 5.6, 5.7 and 7 of SABS 1200DB : Earthworks (Pipe trenches) Pipes shall be bedded in accordance with clauses 3.1 to 3.4.1, 5.1 to 5.3 and 7 of SABS 1200LB : Bedding (Pipes) Unless otherwise described bedding of rigid pipes shall be Class B bedding CARRIED TO COLLECTION R Section Nowire. 2 Bill No. 4 Internal Plumbing Benoni Building Legal Aid South Africa Flush pans Flush pans shall have straight or side outlets and "P" or "S" traps as necessary Stainless steel basins, sinks, wash troughs, urinals, etc Units shall have standard aprons on all exposed edges and tiling keys against walls where applicable Waste unions Descriptions of waste unions shall be deemed Rates are to include rubber or vulcanite plugs for wrapping around joints and chains fixed fittings Disinfection of water pipework Water pipework is to fittings Steel sectional water tanks Tanks shall comply with SABS CKS 114 Petroleum be disinfected at completion Petrolatum anti-corrosion tape Pipes to be taped shall be coated with the appropriate primer and the tape shall be applied in the appropriate widths and with minimum 15mm lap per spiral unless otherwise described ?% overlaps Couplings and fittings to pipes shall be taped in strict accordance with the manufacturer's instructions including all mastic, tape, "Layflat" sheeting, securing of same, etc Prices for wrapping of pipes shall include for all work as described to couplings in the length GUTTERSCarried to Collection R Section No. 2 4 X 4-CLASSROOMS WITH STORES Bill No. 12 PLUMBING AND DRAINAGE Xxxx Xxxxxxx Primary School Timber backing boards Descriptions for fire extinguishers shall be deemed to include hardwood backboard with exposed eges chamfered and finished with three coats approved satin gloss polyurethane varnish Laying, DOWNPIPESbackfilling, ETC.bedding, etc of pipes Pipes shall be laid and bedded in accordance with manufacturers' instructions and trenches shall be carefully backfilled Where no manufacturers' instructions exist, pipes shall be laid in accordance with the relevant section of SANS 2001 General Descriptions of cast iron roof outlets shall be deemed to include joints to pipes and casting into concrete (adaptors for joints to PVC pipes, etc are given separately) Descriptions of overflow pipes where measured in number, shall be deemed to include joints to cisterns and splay cut ends Descriptions of pipes laid in and including trenches and of inspection xxxxxxxx, catchpits, etc shall be deemed to include excavation, bedding, backfilling, compaction to a minimum of ?% Mod AASHTO density and disposal of surplus material on site Descriptions of service pipes and flexible connecting pipes shall be deemed to include connections to taps, cisterns, etc and to steel pipes (adaptors for connections to copper pipes, etc are given separately) Descriptions of WC pans, slop hoppers, etc shall be deemed to include for joints to soil pipes (pan connectors are separately measured) Carried to Collection R Section No. 2 4 X 4-CLASSROOMS WITH STORES Bill No. 12 PLUMBING AND DRAINAGE Xxxx Xxxxxxx Primary School As-built drawings Where required, the contractor shall prepare an updated set of as-built drawings. At completion of the contract the contractor shall hand these drawings to the principal agent for reproducing onto the originals for handing over to the employer (provision for allowance of as-built drawings elsewhere) Regulations All drainage and sanitary work shall be executed in accordance with the regulations of the Local Authority. Only registered plumbers and drainlayers shall be employed on any plumbing and drainage work and a Certificate of Compliance must be issued after completion of the installation RAINWATER DISPOSAL

PLUMBING AND DRAINAGE. NOTE: Tenderers are advised to study Descriptions of pipes laid in and including trenches, sumps, catchpits, junction boxes, inspection xxxxxxxx, french drains, septic tanks and the General Preambles for Trades 2017 before pricing this bill SUPPLEMENTARY PREAMBLES UPVC pipes and fittings Soil, waste and vent pipes and fittings like shall be solvent weld jointed UPVC pressure pipes deemed to include for excavations, bedding of pipes, risk of collapse, keeping free of water, a dewatering system for removal of seepage water and fittings Pipes for water supply from other subterranean sources in the excavations designed and executed by the contractor, backfilling, compaction to a minimum of 93% modified AASHTO density and disposal of surplus material Descriptions of sumps, catchpits, junction boxes, inspection xxxxxxxx and the like shall be deemed to include reinforcement, step irons and channels where applicable Descriptions for jointing of the Class stated Pipes of 40mm diameter and smaller shall be plain ended with solvent welded uPVC loose sockets and fittings Pipes of 50mm diameter and greater shall have sockets and spigots with push in type integral rubber ring joints. Bends shall be uPVC and all other fittings shall be cast iron, all with similar push- in type joints CARRIED TO COLLECTION Section No. 2 Bill No. 4 Internal Plumbing Benoni Building Legal Aid South Africa Amount Copper pipes Pipes shall be hard drawn and half-hard pipes of the class stated. Class 0 (thin walled hard drawn) pipes shall not be bent. Class 1 (thin walled half- hard), class 2 (half-hard) and Class 3 (heavy walled half-hard) pipes shall only be bent with benders with inner and outer formers. Fittings new to copper waste, vent and anti-syphon pipes, capillary solder fittings and compression fittings shall be "Cobra Watertech" type. Capillary solder fittings shall comply with ISO 2016. Only compression fittings shall be used in walls or in ground Fixing of pipes Unless specifically otherwise stated, descriptions of existing pipes shall be deemed to include fixing to walls etcsearching for the existing pipe, casting inexposing if necessary, building in or suspending not exceeding 1m below suspension level Reducing cutting into, jointing and necessary fittings Where fittings have reducing ends or branches they are described as "reducing". In the case of pipes with diameters not exceeding 60mm only the largest end or branch size is given. Should the contractor wish to use other fittings and bushes or reducers he may do so on the understanding that no claim in this regard will be entertained. In the case of pipes with diameters exceeding 60mm all sizes are given and no claim for extra bushes, reducers, etc will be entertained Wire gratings Descriptions of gutter outletswashdown pans, slop hoppers, etc shall be deemed to include wire balloon gratings CARRIED TO COLLECTION R Section No. 2 Bill No. 4 Internal Plumbing Benoni Building Legal Aid South Africa Exposed concrete surfaces Exposed surfaces of concrete stormwater channels, cover slabs, inspection eye marker slabs, xxxxxx tops, cleaning eye tops, catchpits, inspection xxxxxxxx, etc shall be finished smooth with plaster Excavations No claim for rock excavation will be entertained unless the contractor has timeously notified the quantity surveyor thereof prior joints to backfilling "Soft rock" and "Hard rock" shall be as defined in "Earthworks" Laying, backfilling, bedding, etc of soil pipes Pipes shall be laid and bedded and trenches shall be carefully backfilled in accordance with manufacturers' instructions Where no manufacturers' instructions exist pipes shall be laid in accordance with clauses 5.1 and 5.2 of each of the following: SABS 1200 L: Medium-pressure pipelines SABS 1200LD: Sewers SABS1200LE: Stormwater drainage Pipe trenches etc shall be backfilled in accordance with clauses 3, 5.5, 5.6, 5.7 and 7 of SABS 1200DB : Earthworks (Pipe trenchespan connectors measured separately) Pipes shall be bedded in accordance with clauses 3.1 to 3.4.1, 5.1 to 5.3 and 7 of SABS 1200LB : Bedding (Pipes) Unless otherwise described bedding of rigid pipes shall be Class B bedding CARRIED TO COLLECTION R Section No. 2 Bill No. 4 Internal Plumbing Benoni Building Legal Aid South Africa Flush pans Flush pans shall have straight or side outlets and "P" or "S" traps as necessary Stainless steel basins, sinks, wash troughs, urinals, etc Units shall have standard aprons on all exposed edges and tiling keys against walls where applicable Waste unions Descriptions of waste unions all sanitary fittings shall be deemed to include rubber or vulcanite plugs for silicone sealant pointing between the fittings and chains fixed to fittings Steel sectional water tanks Tanks shall comply with SABS CKS 114 Petroleum anti-corrosion tape Pipes to be taped shall be coated with the appropriate primer finished wall surfaces Descriptions of copper service pipes and the tape shall be applied with minimum 15mm lap per spiral unless otherwise described Couplings and fittings to flexible connecting pipes shall be taped in strict accordance with the manufacturer's instructions including all masticdeemed to include connections to taps, tape, "Layflat" sheeting, securing of samecisterns, etc Prices and to pipes Descriptions of overflow pipes where measured in number, shall be deemed to include joints to cisterns and splay cut ends RAINWATER DISPOSAL "Watertite" aluminium 1 125mm Ogee xxxxx gutters m 149 2 Extra over for wrapping of xxxxx or plinth offset No 8 3 Extra over for stopped end No 12 4 Extra over for angle No 12 5 Extra over for outlet for 100 x 75mm pipe No 12 6 Extra over for shoe No 12 7 100 x 75mm Rainwater pipes shall include for all work as described m 44 Carried to couplings Collection R BILL NO 15 PLUMBING AND DRAINAGE SOIL DRAINAGE Class 34 uPVC pipes 8 110mm Pipes vertically or ramped to rodding eyes, etc (no excavations) m 6 9 110mm Pipes laid in the length GUTTERS, DOWNPIPES, ETC.and including trenches not exceeding 1m deep m 53

PLUMBING AND DRAINAGE. NOTE: Tenderers are advised For preambles see "Specification of materials and methods to study the General Preambles for Trades 2017 before pricing this bill be used - PW317" SUPPLEMENTARY PREAMBLES UPVC Polycop polypropylene pipes: Polypropylene pipes 54mm diameter and under shall be seamless copper coloured class 16 pipes jointed with Fast-fuse heat welded thermoplastic or brass compression fittings as designed for use with copper pipes as stated Pipes shall be firmly fixed to walls etc with coloured nylon snap-in pipe clips with provision for accommodating thermal movement and jointed and fixed strictly in accordance with the manufacturer's instructions All pipe diameters are nominal external Polylink polypropylene pipes: Polypropylene pipes 63mm diameter and over shall be class 12 pipes jointed with cast iron "Supraclamp" running joints Fusion welded bends, once or twice mitred as necessary, and tees shall be factory manufactured Fusion welded bends and tees shall include jointing to pipes with PVC rubber ring double Z joint couplers Branch tees shall include flanged and bolted joints to Polycop branch pipes in addition and for brass compression male iron to copper straight couplers Reducers shall include jointing to pipes with PVC rubber ring double Z joint couplers and reducers shall be of sufficient overall length to accommodate same All pipes shall be jointed and fixed strictly in accordance with the manufacturer's instructions All pipe diameters are nominal external Concrete pipes: Pipes shall be jointed with ogee joints with rubber collars or socket and spigot joints with rubber rings Vitrified xxxx xxxxx: Pipes shall rest on solid ground and, where necessary, pockets of sufficient size shall be cut around joints to enable the jointing to be properly performed or, alternatively, pipes shall be bedded full length on and including unreinforced concrete laid in a semi-dry state immediately before pipes are laid Sewer and drainage pipes and fittings shall be jointed and sealed with butyl rubber rings uPVC pipes and fittings: Soil, waste and vent pipes and fittings shall be solvent weld jointed UPVC pressure pipes and fittings Pipes for water supply shall be of the Class stated Pipes of 40mm diameter and smaller shall be plain ended with solvent welded uPVC loose sockets and fittings Pipes of 50mm diameter and greater shall have sockets and spigots with push in type integral rubber ring joints. Bends shall be uPVC and all other fittings shall be cast iron, all with similar push- in type joints CARRIED TO COLLECTION Section No. 2 Bill No. 4 Internal Plumbing Benoni Building Legal Aid South Africa Amount Copper pipes Pipes shall be hard drawn and half-hard pipes of the class stated. Class 0 (thin walled hard drawn) pipes shall not be bent. Class 1 (thin walled half- hard), class 2 (half-hard) and Class 3 (heavy walled half-hard) pipes shall only be bent with benders with inner and outer formers. Fittings to copper waste, vent and anti-syphon pipes, capillary solder fittings and compression fittings shall be "Cobra Watertech" type. Capillary solder fittings shall comply with ISO 2016. Only compression fittings shall be used in walls or in ground Fixing of pipes Unless specifically otherwise stated, descriptions of pipes shall be deemed to include fixing to walls etc, casting in, building in or suspending not exceeding 1m below suspension level Reducing fittings Where fittings have reducing ends or branches they are described as "reducing". In the case of pipes with diameters not exceeding 60mm only the largest end or branch size is given. Should the contractor wish to use other fittings and bushes or reducers he may do so on the understanding that no claim in this regard will be entertained. In the case of pipes with diameters exceeding 60mm all sizes are given and no claim for extra bushes, reducers, etc will be entertained Wire gratings Descriptions of gutter outlets, etc shall be deemed to include wire balloon gratings CARRIED TO COLLECTION R Section No. 2 Bill No. 4 Internal Plumbing Benoni Building Legal Aid South Africa Exposed concrete surfaces Exposed surfaces of concrete stormwater channels, cover slabs, inspection eye marker slabs, xxxxxx tops, cleaning eye tops, catchpits, inspection xxxxxxxx, etc shall be finished smooth with plaster Excavations No claim for rock excavation will be entertained unless the contractor has timeously notified the quantity surveyor thereof prior to backfilling "Soft rock" and "Hard rock" shall be as defined in "Earthworks" Laying, backfilling, bedding, etc of pipes Pipes shall be laid and bedded and trenches shall be carefully backfilled in accordance with manufacturers' instructions Where no manufacturers' instructions exist pipes shall be laid in accordance with clauses 5.1 and 5.2 of each of the following: SABS 1200 L: Medium-pressure pipelines SABS 1200LD: Sewers SABS1200LE: Stormwater drainage Pipe trenches etc shall be backfilled in accordance with clauses 3, 5.5, 5.6, 5.7 and 7 of SABS 1200DB : Earthworks (Pipe trenches) Pipes shall be bedded in accordance with clauses 3.1 to 3.4.1, 5.1 to 5.3 and 7 of SABS 1200LB : Bedding (Pipes) Unless otherwise described bedding of rigid pipes shall be Class B bedding CARRIED TO COLLECTION R Section No. 2 Bill No. 4 Internal Plumbing Benoni Building Legal Aid South Africa Flush pans Flush pans shall have straight or side outlets and "P" or "S" traps as necessary Stainless steel basins, sinks, wash troughs, urinals, etc Units shall have standard aprons on all exposed edges and tiling keys against walls where applicable Waste unions Descriptions of waste unions shall be deemed to include rubber or vulcanite plugs and chains fixed to fittings Steel sectional water tanks Tanks shall comply with SABS CKS 114 Petroleum anti-corrosion tape Pipes to be taped shall be coated with the appropriate primer and the tape shall be applied with minimum 15mm lap per spiral unless otherwise described Couplings and fittings to pipes shall be taped in strict accordance with the manufacturer's instructions including all mastic, tape, "Layflat" sheeting, securing of same, etc Prices for wrapping of pipes shall include for all work as described to couplings in the length GUTTERS, DOWNPIPES, ETC.jointed

PLUMBING AND DRAINAGE. NOTE: Tenderers are advised to study the PREAMBLES For preambles see "Construction Specifications - General Preambles for Trades 2017 before pricing this bill Specification (PW371-A)" and "Construction Specifications - Particular Specification (PW371-B)" SUPPLEMENTARY PREAMBLES UPVC Wire gratings Descriptions of gutter outlets etc shall be deemed to include wire balloon gratings Stainless steel basins, sinks, wash troughs, urinals, etc Stainless steel for economy basins, domestic sinks and worktops shall be Type 430 (17/0) Stainless steel for urinals, basins, quality sinks, wash troughs, institutional equipment, etc shall be Type 304 (18/8) Stainless steel for laboratory sinks, photographic equipment, etc shall be Type 316 (18/8) Units shall have standard aprons on all exposed edges and tiling keys against walls where applicable Sealing of edges Outer edges of sinks, basins, baths, urinals, etc are to be sealed against adjacent surfaces with approved silicone Waste unions Descriptions of waste unions shall be deemed to include rubber or vulcanite plugs and chains fixed to fittings Carried to Collection R Section No. 2 RENOVATIONS AND ALTERATIONS TO EXISTING Bill No. 13 PLUMBING AND DRAINAGE Mpelegeng Primary School Amount PVC-U pipes and fittings Sewer and drainage pipes and fittings shall be jointed and sealed with butyl rubber rings Soil, waste and vent pipes and fittings shall be solvent weld jointed UPVC or sealed with butyl rubber rings PVC-U pressure pipes and fittings Pipes for water supply shall be of the Class stated Pipes of 4050mm diameter and smaller shall be plain ended with solvent welded uPVC PVC-U loose sockets and fittings Pipes of 5063mm diameter and greater shall have sockets and spigots with push push-in type integral rubber ring joints. Bends shall be uPVC PVC-U and all other fittings shall be cast iron, all with similar push- push-in type joints CARRIED TO COLLECTION Section No. 2 Bill No. 4 Internal Plumbing Benoni Building Legal Aid South Africa Amount High density polyethylene (HDPe) pipes and fittings Pipes shall be type IV and of the class specified with compression fittings Polypropylene pipes Polypropylene pipes 54mm diameter and smaller shall be seamless copper coloured Class 16 pipes jointed with heat welded thermoplastic or where so described compression fittings Pipes shall be firmly fixed to walls, etc with coloured nylon snap-in pipe clips with provision for accommodating thermal movement and jointed and fixed strictly in accordance with the manufacturer's instructions Copper pipes Pipes shall be hard drawn and half-hard pipes of the class stateddescribed. Class 0 (thin walled hard drawn) pipes shall not be bent. Class 1 (thin walled half- half-hard), class Class 2 (half-hard) and Class 3 (heavy walled half-hard) pipes shall only be bent with benders with inner and outer formers. Fittings to copper waste, vent and anti-syphon pipes, capillary solder fittings and compression fittings shall be "Cobra WatertechMaksal" type. Capillary solder fittings shall comply with ISO 2016. Only compression fittings shall be used in walls or in ground Fixing of pipes Unless specifically otherwise stated, descriptions of pipes shall be deemed 2016 Carried to include fixing to walls etc, casting in, building in or suspending not exceeding 1m below suspension level Reducing fittings Where fittings have reducing ends or branches they are described as "reducing". In the case of pipes with diameters not exceeding 60mm only the largest end or branch size is given. Should the contractor wish to use other fittings and bushes or reducers he may do so on the understanding that no claim in this regard will be entertained. In the case of pipes with diameters exceeding 60mm all sizes are given and no claim for extra bushes, reducers, etc will be entertained Wire gratings Descriptions of gutter outlets, etc shall be deemed to include wire balloon gratings CARRIED TO COLLECTION Collection R Section No. 2 RENOVATIONS AND ALTERATIONS TO EXISTING Bill No. 4 Internal Plumbing Benoni Building Legal Aid South Africa Exposed concrete surfaces Exposed surfaces of concrete stormwater channels, cover slabs, inspection eye marker slabs, xxxxxx tops, cleaning eye tops, catchpits, inspection xxxxxxxx, etc shall be finished smooth with plaster Excavations No claim for rock excavation will be entertained unless the contractor has timeously notified the quantity surveyor thereof prior to backfilling "Soft rock" and "Hard rock" shall be as defined in "Earthworks" Laying, backfilling, bedding, etc of pipes Pipes shall be laid and bedded and trenches shall be carefully backfilled in accordance with manufacturers' instructions Where no manufacturers' instructions exist pipes shall be laid in accordance with clauses 5.1 and 5.2 of each of the following: SABS 1200 L: Medium-pressure pipelines SABS 1200LD: Sewers SABS1200LE: Stormwater drainage Pipe trenches etc shall be backfilled in accordance with clauses 3, 5.5, 5.6, 5.7 and 7 of SABS 1200DB : Earthworks (Pipe trenches) Pipes shall be bedded in accordance with clauses 3.1 to 3.4.1, 5.1 to 5.3 and 7 of SABS 1200LB : Bedding (Pipes) Unless otherwise described bedding of rigid pipes shall be Class B bedding CARRIED TO COLLECTION R Section No. 2 Bill No. 4 Internal Plumbing Benoni Building Legal Aid South Africa Flush pans Flush pans shall have straight or side outlets and "P" or "S" traps as necessary Stainless steel basins, sinks, wash troughs, urinals, etc Units shall have standard aprons on all exposed edges and tiling keys against walls where applicable Waste unions Descriptions of waste unions shall be deemed to include rubber or vulcanite plugs and chains fixed to fittings Steel sectional water tanks Tanks shall comply with SABS CKS 114 Petroleum anti-corrosion tape Pipes to be taped shall be coated with the appropriate primer and the tape shall be applied with minimum 15mm lap per spiral unless otherwise described Couplings and fittings to pipes shall be taped in strict accordance with the manufacturer's instructions including all mastic, tape, "Layflat" sheeting, securing of same, etc Prices for wrapping of pipes shall include for all work as described to couplings in the length GUTTERS, DOWNPIPES, ETC.13 PLUMBING AND DRAINAGE

PLUMBING AND DRAINAGE. NOTE: Tenderers are advised to study the General For preambles see "Model Preambles for Trades 2017 before pricing this bill SUPPLEMENTARY PREAMBLES UPVC pipes (2008 Edition)" and fittings Soil, waste applicable Supplementary Preambles as specified in the Trades. The said Model and vent pipes and fittings shall be solvent weld jointed UPVC pressure pipes and fittings Pipes for water supply shall be of the Class stated Pipes of 40mm diameter and smaller shall be plain ended with solvent welded uPVC loose sockets and fittings Pipes of 50mm diameter and greater shall have sockets and spigots with push in type integral rubber ring joints. Bends shall be uPVC and Supplementary Preambles apply to all other fittings shall be cast iron, all with similar push- in type joints CARRIED TO COLLECTION Section No. 2 Bill No. 4 Internal Plumbing Benoni Building Legal Aid South Africa Amount Copper pipes Pipes shall be hard drawn and half-hard pipes of the class stated. Class 0 (thin walled hard drawn) pipes shall not be bent. Class 1 (thin walled half- hard), class 2 (half-hard) and Class 3 (heavy walled half-hard) pipes shall only be bent with benders with inner and outer formers. Fittings to copper waste, vent and anti-syphon pipes, capillary solder fittings and compression fittings shall be "Cobra Watertech" type. Capillary solder fittings shall comply with ISO 2016. Only compression fittings shall be used in walls or in ground Fixing of pipes Unless specifically otherwise stated, descriptions of pipes shall be deemed to include fixing to walls etc, casting in, building in or suspending not exceeding 1m below suspension level Reducing fittings Where fittings have reducing ends or branches they are work described as "reducing". In the case of pipes with diameters not exceeding 60mm only the largest end or branch size is given. Should the contractor wish to use other fittings and bushes or reducers he may do so on the understanding that no claim in this regard will be entertaineddocument. In Tenderers are therefor referred to these documents for the case full meaning and intention of pipes with diameters exceeding 60mm all sizes are given descriptions and no claim for extra bushes, reducers, etc claims of any kind whatsoever will be entertained in this regard. SUPPLEMENTARY PREAMBLES Wire gratings Descriptions of gutter outlets, outlets etc shall be deemed to include wire balloon gratings CARRIED TO COLLECTION R Section No. 2 Bill No. 4 Internal Plumbing Benoni Building Legal Aid South Africa Exposed Stormwater channels Descriptions of channels shall be deemed to include necessary excavation, surface preparation, compaction, etc, and disposal of surplus material on site French drains Descriptions of french drains shall be deemed to include excavation, stone filling graded from 300mm diameter at bottom to 75mm diameter at top, "?" geofabric filter blanket over stone, 300mm earthfilling over and disposal of surplus material on site Septic tanks Descriptions of proprietary type septic tanks shall be deemed to include excavation, bedding and jointing, concrete surfaces Exposed surfaces of concrete stormwater channels, cover base slabs, inspection eye marker slabsjointing to drains and backfilling, xxxxxx tops, cleaning eye tops, catchpits, inspection xxxxxxxxcompaction, etc shall be finished smooth with plaster Excavations No claim for rock excavation will be entertained unless the contractor has timeously notified the quantity surveyor thereof prior to backfilling "Soft rock" and "Hard rock" shall be as defined in "Earthworks" Laying, backfilling, bedding, etc of pipes Pipes shall be laid and bedded and trenches shall be carefully backfilled all in accordance with manufacturers' the manufacturer's instructions Where no manufacturers' instructions exist pipes shall be laid in accordance with clauses 5.1 and 5.2 disposal of each of the following: SABS 1200 L: Medium-pressure pipelines SABS 1200LD: Sewers SABS1200LE: Stormwater drainage Pipe trenches etc shall be backfilled in accordance with clauses 3, 5.5, 5.6, 5.7 and 7 of SABS 1200DB : Earthworks (Pipe trenches) Pipes shall be bedded in accordance with clauses 3.1 to 3.4.1, 5.1 to 5.3 and 7 of SABS 1200LB : Bedding (Pipes) Unless otherwise described bedding of rigid pipes shall be Class B bedding CARRIED TO COLLECTION R Section No. 2 Bill No. 4 Internal Plumbing Benoni Building Legal Aid South Africa Flush pans Flush pans shall have straight or side outlets and "P" or "S" traps as necessary surplus material on site Stainless steel basins, sinks, wash troughs, urinals, etc Stainless steel for economy basins, domestic sinks and worktops shall be Type 430 (17/0) Stainless steel for urinals, basins, quality sinks, wash troughs, institutional equipment, etc shall be Type 304 (18/8) Stainless steel for laboratory sinks, photographic equipment, etc shall be Type 316 (18/8) Units shall have standard aprons on all exposed edges and tiling keys against walls where applicable Waste unions Descriptions Sealing of waste unions edges Outer edges of sinks, basins, baths, urinals, etc are to be sealed against adjacent surfaces with approved silicone uPVC pipes and fittings Sewer and drainage pipes and fittings shall be deemed to include jointed and sealed with butyl rubber or vulcanite plugs rings Soil, waste and chains fixed to vent pipes and fittings Steel sectional water tanks Tanks shall comply with SABS CKS 114 Petroleum anti-corrosion tape Pipes to be taped shall be coated solvent weld jointed or sealed with the appropriate primer and the tape shall be applied with minimum 15mm lap per spiral unless otherwise described Couplings and fittings to pipes shall be taped in strict accordance with the manufacturer's instructions including all mastic, tape, "Layflat" sheeting, securing of same, etc Prices for wrapping of pipes shall include for all work as described to couplings in the length GUTTERS, DOWNPIPES, ETC.butyl rubber rings

PLUMBING AND DRAINAGE. NOTE: Tenderers are advised The Tenderer is referred to study the General relevant Clauses in the separate document Model Preambles for Trades 2017 before pricing this bill (2008 Edition) SUPPLEMENTARY PREAMBLES UPVC Stainless steel basins, sinks, wash troughs, urinals, etc Stainless steel for economy basins, domestic sinks and worktops shall be Type 430 (17/0) Stainless steel for urinals, basins, quality sinks, wash troughs, institutional equipment, etc shall be Type 304 (18/8) Units shall have standard aprons on all exposed edges and tiling keys against walls where applicable Sealing of edges Outer edges of sinks, basins, baths, urinals, etc are to be sealed against adjacent surfaces with approved silicone uPVC pipes and fittings Sewer and drainage pipes and fittings shall be jointed and sealed with butyl rubber rings Soil, waste and vent pipes and fittings shall be solvent weld jointed UPVC or sealed with butyl rubber rings uPVC pressure pipes and fittings Pipes for water supply shall be of the Class stated Pipes of 4050mm diameter and smaller shall be plain ended with solvent welded uPVC loose sockets and fittings Carried Forward R MADIBA VALLEY XXXX Xxxx No. 15 Plumbing and Drainage Amount Brought Forward R Pipes of 5063mm diameter and greater shall have sockets and spigots with push push-in type integral rubber ring joints. Bends shall be uPVC and all other fittings shall be cast iron, all with similar push- push-in type joints CARRIED TO COLLECTION Section No. 2 Bill No. 4 Internal Plumbing Benoni Building Legal Aid South Africa Amount High density polyethylene (HDPe) pipes and fittings Pipes shall be type IV and of the class specified with "Plasson" or "Alprene" compression fittings "Polycop" polypropylene pipes Polypropylene pipes 54mm diameter and smaller shall be seamless copper coloured Class 16 pipes jointed with "Fast-fuse" heat welded thermoplastic or where so described "Polylock" compression fittings Pipes shall be firmly fixed to walls, etc with coloured nylon snap-in pipe clips with provision for accommodating thermal movement and jointed and fixed strictly in accordance with the manufacturer's instructions Copper pipes Pipes shall be hard drawn and half-hard "Maksal" pipes of the class stateddescribed. Class 0 (thin walled hard drawn) pipes shall not be bent. Class 1 (thin walled half- half-hard), class Class 2 (half-hard) and Class 3 (heavy walled half-hard) pipes shall only be bent with benders with inner and outer formers. Fittings to copper waste, vent and anti-syphon pipes, capillary solder fittings and compression fittings shall be "Cobra Watertech" type. Capillary solder fittings shall comply with ISO 20162016 Copper pipes are to be installed in accordance with the latest revision of the Code of Practice for Copper Plumbing soldering techniques. Only compression fittings shall Flux, solder, etc to be used strictly in walls or in ground Fixing of pipes Unless specifically otherwise stated, descriptions of pipes shall be deemed accordance with the manufacturer's requirements with special attention to include fixing to walls etc, casting in, building in or suspending not exceeding 1m below suspension level copper flux composition Carried Forward R MADIBA VALLEY XXXX Xxxx No. 15 Plumbing and Drainage Brought Forward R Reducing fittings Where fittings have reducing ends or branches they are described as "reducing". In the case of pipes with diameters not exceeding 60mm " and only the largest end or branch size is given. Should the contractor wish to use other fittings and bushes or reducers he may do so on the understanding that no claim in this regard will be entertained. In the case entertained Fixing of pipes with diameters exceeding 60mm all sizes are given and no claim for extra bushesUnless specifically otherwise stated, reducers, etc will be entertained Wire gratings Descriptions descriptions of gutter outlets, etc pipes shall be deemed to include wire balloon gratings CARRIED TO COLLECTION R Section No. 2 Bill No. 4 Internal Plumbing Benoni Building Legal Aid South Africa Exposed concrete surfaces Exposed surfaces of concrete stormwater channelsfixing to walls, cover slabsetc, inspection eye marker slabscasting in, xxxxxx tops, cleaning eye tops, catchpits, inspection xxxxxxxx, etc shall be finished smooth with plaster Excavations No claim for rock excavation will be entertained unless the contractor has timeously notified the quantity surveyor thereof prior building in or suspending not exceeding 1m below suspension level Paper wrapping to backfilling "Soft rock" and "Hard rock" shall be as defined in "Earthworks" Laying, backfilling, bedding, etc of pipes Pipes shall chased into brickwork must be laid wrapped with two layers of xxxxx brown paper tied with wire. Rates are to include for wrapping around joints and bedded and trenches shall fittings Disinfection of water pipework Water pipework is to be carefully backfilled disinfected at completion in accordance with manufacturers' instructions Where no manufacturers' instructions exist pipes shall be laid in accordance with clauses 5.1 and 5.2 of each of the following: SABS 1200 L: Medium-pressure pipelines SABS 1200LD: Sewers SABS1200LE: Stormwater drainage Pipe trenches etc shall be backfilled in accordance with clauses 3, 5.5, 5.6, 5.7 and 7 of SABS 1200DB : Earthworks 1200L (Pipe trenches) Pipes shall be bedded in accordance with clauses 3.1 to 3.4.1, 5.1 to 5.3 and 7 of SABS 1200LB : Bedding (Pipes) Unless otherwise described bedding of rigid pipes shall be Class B bedding CARRIED TO COLLECTION R Section No. 2 Bill No. 4 Internal Plumbing Benoni Building Legal Aid South Africa Flush pans Flush pans shall have straight or side outlets and "P" or "S" traps as necessary Stainless steel basins, sinks, wash troughs, urinals, etc Units shall have standard aprons on all exposed edges and tiling keys against walls where applicable Waste unions Descriptions of waste unions shall be deemed to include rubber or vulcanite plugs and chains fixed to fittings Steel sectional water tanks Tanks shall comply with SABS CKS 114 Petroleum anti-corrosion tape Pipes to be taped shall be coated with the appropriate primer and the tape shall be applied with minimum 15mm lap per spiral unless otherwise described Couplings and fittings to pipes shall be taped in strict accordance with the manufacturer's instructions including all mastic, tape, "Layflat" sheeting, securing of same, etc Prices provision for wrapping of pipes shall include for all work as described to couplings in the length GUTTERS, DOWNPIPES, ETC.disinfection elsewhere)

PLUMBING AND DRAINAGE. NOTE: Tenderers are advised (PROVISIONAL) PREAMBLES The Tenderer is referred to study the General relevant clauses in the latest edition of the Model Preambles for Trades 2017 before and to the Supplementary Preambles which are available on request. The Tenderer is referred to the relevant clauses in the latest edition of the Model Preambles for Trades and to the Supplementary Preambles which are available on request. Overtime work and normal work: The tenderers are advised that the following works may be done during normal working hours as well as after normal working hours. Tenderers must make due allowance for these working hours in the pricing as no claims will be entertained in this bill SUPPLEMENTARY PREAMBLES UPVC pipes regard. Rate Approvals: The tenderer is advised that any rate that is required for new work must include the following breakdown: Material, labour, plant, wastage, transport and fittings Soil, waste and vent pipes and fittings shall profit. Rate approvals must be solvent weld jointed UPVC pressure pipes and fittings Pipes for water supply shall authorised by the Eskom ERE (Limpopo Operating Unit & Northern Grid) Official prior to work being Proprietary items or materials: Proprietary items or materials where specified are to be of the Class stated Pipes brand specified - or other approved - by the Eskom ERE (Limpopo Operating Unit & Northern Grid) Official ALTERATIONS TO PLUMBING AND DRAINAGE REMOVING OF EXISTING SANITARY FITTINGS Taking out and removing sanitary fittings including making good wall and floor finishes and stop off services 1 Pressed steel bath tub including removal of 40mm diameter and smaller shall be plain ended with solvent welded uPVC loose sockets and fittings Pipes of 50mm diameter and greater shall have sockets and spigots with push in type integral rubber ring joints. Bends shall be uPVC and all other fittings shall be cast iron, all with similar push- in type joints CARRIED TO COLLECTION Section riser wall No. 1 2 Bill Pressed steel bath tub. No. 1 3 Plastic cistern and flush pipe. No. 1 4 Internal Plumbing Benoni Building Legal Aid South Africa Amount Copper pipes Pipes shall be hard drawn Stainless steel baby bath with draining board No. 1 5 Stainless steel catering double bowl pot washing sink unit. Xx. 0 0 Xxxxxxxxx xxxxx xxxxxxx Xx. 0 0 Stainless steel curved back urinal not exceeding 900mm wide No. 1 8 Stainless steel curved back urinal exceeding 900mm and halfnot exceeding 2135mm wide. No. 1 9 Stainless steel curved back urinal exceeding 2200mm and not exceeding 3500mm wide. No. 1 10 Stainless steel curved back urinal exceeding 3600mm and not exceeding 4600mm wide. No. 1 11 Stainless steel single bowl sink 1500mm on brackets or sink unit. No. 1 12 Stainless steel double bowl sink 1500mm long on brackets or sink unit. No. 1 13 Stainless steel double bowl sink 1800mm long on brackets or sink unit. No. 1 14 Stainless steel hospital drip sink and hinged stainless steel grid. No. 1 15 900mm wide Stainless steel single wash hand basin. No. 1 16 Stainless steel slop xxxxxx unit with grid (cistern elsewhere measured removed) No. 1 18 Stainless steel triple wash hand basin range. No. 1 19 Stainless steel wall hung bowl urinal No. 1 20 Stainless steel WC pan and cistern. No. 1 21 Stainless steel WC pan and flush valve. No. 1 22 Stainless steel combination bed pan and wash-hard pipes of the class statedup sink unit. Class 0 (thin walled hard drawn) pipes shall No. 1 24 Stainless steel double bowl wash trough No. 1 25 Stainless steel triple bowl wash trough No. 1 26 Stainless steel bed pan and bottle rack No. 1 27 Stainless steel post mortem table not be bentexceeding 2.5m long No. Class 1 (thin walled half- hard)28 Stainless steel table, class 2 (half-hard) and Class 3 (heavy walled half-hard) pipes shall only be bent with benders with inner and outer formers. Fittings to copper waste, vent and anti-syphon pipes, capillary solder fittings and compression fittings shall be "Cobra Watertech" type. Capillary solder fittings shall comply with ISO 2016. Only compression fittings shall be used in walls or in ground Fixing of pipes Unless specifically otherwise stated, descriptions of pipes shall be deemed to include fixing to walls etc, casting in, building in or suspending not exceeding 1m below suspension level Reducing fittings Where fittings have reducing ends or branches they are described as "reducing"length No. In the case of pipes with diameters 1 29 Stainless steel table, exceeding 1m and not exceeding 60mm only the largest end 3m length. Xx. 0 00 Xxxxxxxx xxxxx low level cistern and flush pipe. Xx. 0 00 Xxxxxxxx xxxxx high level cistern and flush pipe. Xx. 0 00 Xxxxxxxx xxxxx wall hung urinal and flush valve Xx. 0 00 Xxxxxxxx xxxxx wash hand basin Xx. 0 00 Xxxxxxxx xxxxx XX xxxxx Xx. 0 35 Precast concrete or branch size is given. Should the contractor wish to use other fittings and bushes or reducers he may do so on the understanding that no claim in this regard will be entertained. In the case of pipes with diameters exceeding 60mm all sizes are given and no claim for extra bushes, reducers, etc will be entertained Wire gratings Descriptions of gutter outlets, etc shall be deemed to include wire balloon gratings CARRIED TO COLLECTION R Section fibre cement single wash trough No. 2 Bill No. 4 Internal Plumbing Benoni Building Legal Aid South Africa Exposed concrete surfaces Exposed surfaces of concrete stormwater channels, cover slabs, inspection eye marker slabs, xxxxxx tops, cleaning eye tops, catchpits, inspection xxxxxxxx, etc shall be finished smooth with plaster Excavations No claim for rock excavation will be entertained unless the contractor has timeously notified the quantity surveyor thereof prior to backfilling "Soft rock" and "Hard rock" shall be as defined in "Earthworks" Laying, backfilling, bedding, etc of pipes Pipes shall be laid and bedded and trenches shall be carefully backfilled in accordance with manufacturers' instructions Where no manufacturers' instructions exist pipes shall be laid in accordance with clauses 5.1 and 5.2 of each of the following: SABS 1200 L: Medium-pressure pipelines SABS 1200LD: Sewers SABS1200LE: Stormwater drainage Pipe trenches etc shall be backfilled in accordance with clauses 3, 5.5, 5.6, 5.7 and 7 of SABS 1200DB : Earthworks (Pipe trenches) Pipes shall be bedded in accordance with clauses 3.1 to 3.4.1, 5.1 to 5.3 and 7 of SABS 1200LB : Bedding (Pipes) Unless otherwise described bedding of rigid pipes shall be Class B bedding CARRIED TO COLLECTION R Section No. 2 Bill No. 4 Internal Plumbing Benoni Building Legal Aid South Africa Flush pans Flush pans shall have straight or side outlets and "P" or "S" traps as necessary Stainless steel basins, sinks, wash troughs, urinals, etc Units shall have standard aprons on all exposed edges and tiling keys against walls where applicable Waste unions Descriptions of waste unions shall be deemed to include rubber or vulcanite plugs and chains fixed to fittings Steel sectional water tanks Tanks shall comply with SABS CKS 114 Petroleum anti-corrosion tape Pipes to be taped shall be coated with the appropriate primer and the tape shall be applied with minimum 15mm lap per spiral unless otherwise described Couplings and fittings to pipes shall be taped in strict accordance with the manufacturer's instructions including all mastic, tape, "Layflat" sheeting, securing of same, etc Prices for wrapping of pipes shall include for all work as described to couplings in the length GUTTERS, DOWNPIPES, ETC.1