Common use of Excavations Clause in Contracts

Excavations. No claim for rock excavation will be entertained unless the contractor has timeously notified the quantity surveyor thereof prior to backfilling 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 LD : Sewers LE : Stormwater drainage Pipe trenches etc shall be backfilled in accordance with clauses 3, 5.5, 5.6, 5.7 and 7 of SABS 1200 DB : 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 SAB. 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 Carried to Collection R Bill 7 Plumbing and Drainage NH2108 CAN 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 SANITARY FITTINGS "Vaal" or similar approved 1 Vaal Sanitaryware Xxxxx Xxxxx vitreous china semi close coupled washdown suite comprising 90º outlet open rim pan (code: 751400) and matching 9 litre front single flush cistern (code: 710532) including lid, fitments and flushpipe elbow, with durable double flap seat. No 1

Excavations. No claim Prices for rock all excavations must include for necessary staging and for the risk of collapse of excavation will be entertained unless the contractor has timeously notified the quantity surveyor thereof prior to backfilling side and also keeping excavations free from water Laying, backfilling, bedding, etc. of pipes Pipes shall be laid and bedded in accordance with manufacturers' instructions and trenches shall be carefully backfilled in accordance with manufacturers' instructions Where no manufacturers' instructions exist exist, pipes shall be laid in accordance with clauses 5.1 the relevant section of SANS 2001 Compacting Filling for all types of pipes described as "under solid floors, etc." shall be done with approved backfilling and 5.2 of each compacted to 93% Mod. AASHTO density, unless otherwise described 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 or sealed with butyl rubber rings Copper pipes Pipes shall be hard drawn and half-hard pipes of the following: SABS 1200 L : Mediumclass stated. Class 0 (thin walled hard drawn) pipes shall not be bent. Class 1 (thin wall half-pressure pipelines LD : Sewers LE : Stormwater drainage Pipe trenches etc hard), Class 2 (half-hard) and Class 3 (heavy walled half-hard) pipes shall only be bend with benders with inner and outer formers. Fittings to copper waste, vent and anti-syphon pipes, capillary solder fittings and compression fittings shall be backfilled "Cobra Watertech" type. Capillary solder fittings shall comply with ISO 2016 Copper pipes are to be installed in accordance with clauses 3the latest revision of the Code of Practice for Copper Plumbing soldering techniques. Flux, 5.5solder, 5.6, 5.7 and 7 of SABS 1200 DB : Earthworks (Pipe trenches) Pipes shall etc to be bedded strictly in accordance with clauses 3.1 the manufacturer's requirements with special attention to 3.4.1, 5.1 to 5.3 and 7 of SAB. 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 copper flux composition Carried to Collection R Section No. 2 NEW BUILDINGS Bill 7 Plumbing and Drainage NH2108 CAN No. 9 PLUMBING AND DRAINAGE (PROVISIONAL) Completion of Lepelle Municipal Office 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 entertainedentertained Disinfection of water pipework Water pipework is to be disinfected at completion 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 Flush pans Flush pans shall have straight or side outlets and "P" or "S" traps as necessary 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. In 2 NEW BUILDINGS Bill No. 9 PLUMBING AND DRAINAGE (PROVISIONAL) Completion of Lepelle Municipal Office Testing Descriptions for the case testing of plumbing and drainage installations shall be deemed to cater for all testing apparatus, labour, etc. and shall be done strictly as directed by and in accordance to the principal agent's instructions, including for re-testing after taking out and making good all defective work to his entire satisfaction 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 with diameters exceeding 60mm all sizes laid in and including trenches and of inspection xxxxxxxx, catchpits, etc shall be deemed to include excavation, bedding, backfilling, compaction to a minimum of 93% 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 and no claim for extra bushesseparately) Descriptions of WC pans, reducersslop hoppers, etc will shall be entertained SANITARY FITTINGS "Vaal" or similar approved 1 Vaal Sanitaryware Xxxxx Xxxxx vitreous china semi close coupled washdown suite comprising 90º outlet open rim deemed to include for joints to soil pipes (pan (code: 751400connectors are separately measured) and matching 9 litre front single flush cistern (code: 710532) including lid, fitments and flushpipe elbow, with durable double flap seat. No 1RAINWATER DISPOSAL

Excavations. No claim for rock excavation will be entertained unless the contractor has timeously notified the quantity surveyor thereof prior to backfilling 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 LD : Sewers LE : Stormwater drainage Pipe trenches etc shall be backfilled in accordance with clauses 3, 5.5, 5.6, 5.7 and 7 of SABS 1200 DB : 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 SAB. Flush pans Flush pans shall have straight or side outlets and "P" or "S" traps as necessary Carried to Collection R Bill 11 Plumbing and Drainage NH2109 Maintenance 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 Carried to Collection R Bill 7 Plumbing and Drainage NH2108 CAN 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 SANITARY FITTINGS "Vaal" or similar approved 1 Tuscany 560 vitreous china lavatory basin (code : 7006), size 560 x 415mm with one taphole including integrated overflow and chainstay hole bolted to wall with two x 10mm bolts (code: 8448Z0) and including Classic floor mounted pedestal (code: 7150) and sealed with silicone sealant where basin meets wall. No 22 2 Vaal Sanitaryware Xxxxx Xxxxx vitreous china semi close coupled washdown suite comprising 90º outlet open rim pan (code: 751400) and matching 9 litre front single flush cistern (code: 710532) including lid, fitments and flushpipe elbow, with durable double flap seat. No 131 3 Vaal Sanitaryware 600 x 385 x 380mm Lavatera white vitreous china wall mounted top inlet urinal (code: 705426) including 38mm chromium plated domical grating (code: 8787Z0) and chromium plated top inlet spreader (code: 7054Z1), fixed on and including two hanger brackets (code: 8127Z0). No 12 Carried to Collection R Bill 11 Plumbing and Drainage NH2109 Maintenance "Xxxxxx" or other approved 4 Model EL 102 double fabricated economy type wash trough, 1030 x 440 x 388mm deep No 7 WASTE UNIONS ETC

Excavations. No claim Excavation in earth not exceeding 2m deep 5 Trenches m3 144 6 Holes m3 5 Extra over trench and hole excavations in earth for excavation in 7 Soft rock excavation will m3 11 8 Hard rock m3 22 Extra over all excavations for carting away 9 Surplus material from excavations and/or stock piles on site to a dumping site to be entertained unless located by the contractor has timeously notified the quantity surveyor thereof prior to backfilling Laying, backfilling, bedding, etc. m3 69 Risk of pipes Pipes shall be laid collapse of excavations 10 Sides of trench 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 LD : Sewers LE : Stormwater drainage Pipe trenches etc shall be backfilled in accordance with clauses 3, 5.5, 5.6, 5.7 and 7 of SABS 1200 DB : 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 SAB. 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 Carried to Collection R Bill 7 Plumbing and Drainage NH2108 CAN Where fittings have reducing ends or branches they are described as "reducing". In the case of pipes with diameters hole excavations not exceeding 60mm only 1,5m deep m2 403 Section No. 2 Bill No. 1 Foundations (Provisional) Carried Forward R AVON MULTIPURPOSE COMMUNITY CENTRE TENDER NUMBER: BM04/22/23 Brought Forward R Keeping excavations free of water 11 Keeping excavations free of water Item FILLING ETC Earth filling obtained from the largest end or branch size is given. Should the contractor wish excavations and/or prescribed stock piles on site, compacted 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 bushes93% Mod AASHTO density 12 Under floors, reducerssteps, pavings, etc will m3 22 13 Backfilling to trenches, holes, etc m3 55 Earth filling of G5 material supplied by the contractor, compacted to 98% Mod AASHTO density at OMC 14 Under floors, steps, pavings, etc m3 54 15 Backfilling to trenches, holes, etc m3 14 Compaction of surfaces 16 Compaction of ground surface under floors etc, including scarifying for a depth of 150mm, breaking down oversize material, adding suitable material where necessary and compacting to 93% Mod AASHTO density at OMC m2 670 Prescribed density tests on filling 17 "Modified AASHTO Density" test No 19 SOIL POISONING Soil insecticide to be entertained SANITARY FITTINGS "Vaal" or similar approved executed with SABS compliance by a firm of specialists under a 10 year guarantee 18 Under floors etc, including forming and poisoning shallow furrows against foundation walls etc, filling in furrows and ramming m2 670 UNREINFORCED CONCRETE CAST AGAINST EXCAVATED SURFACES Carried Forward R Section No. 2 Bill No. 1 Vaal Sanitaryware Xxxxx Xxxxx vitreous china semi close coupled washdown suite comprising 90º outlet open rim pan Foundations (codeProvisional) AVON MULTIPURPOSE COMMUNITY CENTRE TENDER NUMBER: 751400BM04/22/23 Brought Forward R 15MPa/19mm concrete 20 Surface blinding under footings and bases m3 11 REINFORCED CONCRETE CAST AGAINST EXCAVATED SURFACES 30MPa/19mm concrete 21 Strip footings m3 59 22 Bases m3 5 TEST CUBES 23 Making and testing 150 x 150 x 150mm concrete strength test cube (Provisional) and matching 9 litre front single flush cistern (code: 710532) including lid, fitments and flushpipe elbow, with durable double flap seat. No 124

Excavations. No claim for rock excavation will be entertained unless the contractor has timeously notified the quantity surveyor thereof prior to backfilling 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 LD : Sewers LE : Stormwater drainage Pipe trenches etc shall be backfilled in accordance with clauses 3, 5.5, 5.6, 5.7 and 7 of SABS 1200 DB : 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 SAB. 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 Carried to Collection R Bill 7 15 Plumbing and Drainage NH2108 CAN NH2013 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 SANITARY FITTINGS "Vaal" or similar approved STORMWATER CHANNELS Precast concrete channels 1 Vaal Sanitaryware Xxxxx Xxxxx vitreous china semi close coupled washdown suite comprising 90º outlet 460 x 170mm Channels with 310 x 110mm deep segmental channel m 104 sides of catchpits, etc No 6 STORMWATER DRAINAGE Stormwater culverts, channels etc 3 Cut and shape ground to form open rim pan (code: 751400) stormwater channel with sloping sides overall 1700mm wide x min. 200mm deep m² 111 4 Cut and matching 9 litre front single flush cistern (code: 710532) shape existing grass lined open stormwater channel with sloping sides 5100mm wide x min. 300mm deep m² 255 uPVC pipes 5 Set of two 110mm pipes laid in and including lid, fitments and flushpipe elbow, with durable double flap seat. No trenches not exceeding 1m deep

Excavations. No claim Prices for rock all excavations must include for necessary staging and for the risk of collapse of excavation will be entertained unless the contractor has timeously notified the quantity surveyor thereof prior to backfilling side and also keeping excavations free from water Laying, backfilling, bedding, etc. of pipes Pipes shall be laid and bedded in accordance with manufacturers' instructions and trenches shall be carefully backfilled in accordance with manufacturers' instructions Where no manufacturers' instructions exist exist, pipes shall be laid in accordance with clauses 5.1 the relevant section of SANS 2001 Compacting Filling for all types of pipes described as "under solid floors, etc." shall be done with approved backfilling and 5.2 of each compacted to 93% Mod. AASHTO density, unless otherwise described 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 or sealed with butyl rubber rings Copper pipes Pipes shall be hard drawn and half-hard pipes of the following: SABS 1200 L : Mediumclass stated. Class 0 (thin walled hard drawn) pipes shall not be bent. Class 1 (thin wall half-pressure pipelines LD : Sewers LE : Stormwater drainage Pipe trenches etc hard), Class 2 (half-hard) and Class 3 (heavy walled half-hard) pipes shall only be bend with benders with inner and outer formers. Fittings to copper waste, vent and anti-syphon pipes, capillary solder fittings and compression fittings shall be backfilled "Cobra Watertech" type. Capillary solder fittings shall comply with ISO 2016 Copper pipes are to be installed in accordance with clauses 3the latest revision of the Code of Practice for Copper Plumbing soldering techniques. Flux, 5.5solder, 5.6, 5.7 and 7 of SABS 1200 DB : Earthworks (Pipe trenches) Pipes shall etc to be bedded strictly in accordance with clauses 3.1 the manufacturer's requirements with special attention to 3.4.1, 5.1 to 5.3 and 7 of SAB. 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 copper flux composition Carried to Collection R Section No. 2 NEW BUILDINGS Bill 7 Plumbing and Drainage NH2108 CAN No. 8 PLUMBING AND DRAINAGE (PROVISIONAL) Completion of Lepelle Municipal Office 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 entertainedentertained Disinfection of water pipework Water pipework is to be disinfected at completion 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 Flush pans Flush pans shall have straight or side outlets and "P" or "S" traps as necessary 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. In 2 NEW BUILDINGS Bill No. 8 PLUMBING AND DRAINAGE (PROVISIONAL) Completion of Lepelle Municipal Office Testing Descriptions for the case testing of plumbing and drainage installations shall be deemed to cater for all testing apparatus, labour, etc. and shall be done strictly as directed by and in accordance to the principal agent's instructions, including for re-testing after taking out and making good all defective work to his entire satisfaction 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 with diameters exceeding 60mm all sizes laid in and including trenches and of inspection xxxxxxxx, catchpits, etc shall be deemed to include excavation, bedding, backfilling, compaction to a minimum of 93% 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 and no claim for extra bushesseparately) Descriptions of WC pans, reducersslop hoppers, etc will shall be entertained SANITARY FITTINGS "Vaal" or similar approved 1 Vaal Sanitaryware Xxxxx Xxxxx vitreous china semi close coupled washdown suite comprising 90º outlet open rim deemed to include for joints to soil pipes (pan (code: 751400connectors are separately measured) and matching 9 litre front single flush cistern (code: 710532) including lid, fitments and flushpipe elbow, with durable double flap seat. No 1RAINWATER DISPOSAL