BRICK WORK. The external walls will be of 1:5 Cement and sand, brick work with 200 mm thickness with hollow bricks. All the internal walls will be 100 mm, except the flat separating walls, stair walls and balcony walls which will be 100 mm. thick.
BRICK WORK. All interior and exterior brick wall shall be 5”thick (1:5) with 1” class brick as per Siliguri Market.
BRICK WORK. All out side brick work will be made of 8 inches thick first class burnt clay brick and interior walls will be of 5 inches/3 inches thick first class xxxx xxxxx bricks.
BRICK WORK. 3.1 The brickwork shall be carried out with good quality well common burnt clay machine moulded modular bricks of class designation 12.5 as per CPWD Specifications-2019 with amendments issued on date.
3.2 The rate shall also include for leaving chases / notches for dowels / cramps for all kinds of cladding to come over brick work.
3.3 Brick work provided around shaft or lift walls or around slab cutouts shall be measured in the brick for corresponding floor level. Nothing extra shall be paid on this account.
BRICK WORK. (i) 75 designation brick work shall consist of first class bricks laid in cement mortar and as hereinafter specified.
(ii) No bricks may be used until after they have been soaked under water for at least one hour.
(iii) Care must be taken that the bricks are perfectly clean and free from lime, xxxx or dirt of any kind. If necessary they must be scrubbed before use.
(iv) Great care must be taken to masonry in progress of construction damp. When work is left off for the day troughs shall be formed, by means of fillets of mortar 51mm high all round the unfinished work and shall be kept filled with water. Vertical or inclined surfaces must be frequently watered from a rose headed can. Water should not be dashed with violence against new work as this washes out the mortar. Should the work be delayed owing to holidays or for other reason, the contractor must make adequate arrangements for keeping the work wetted, and shall continue to do so for at least ten days or such longer time as directed, after the brickwork has been completed.
(A) Brick work in cement mortar with 75 designation brick including racking out joints and curing complete as directed, in sub structure and superstructure in prop. 1:3.
(B) 112mm thick 75 designation brick nogged wall in cement mortar embedded with protruding M.S. rod 6mm dia in column including racking out joint and curing complete as directed in super structure above plinth in prop. 1:4.
(C) 112mm thick reinforced brick wall in prop. 1:5 reinforced with two lines of M.S. rods 6mm dia as specified embedded in 38mm thick concrete course in prop. 1:2:4 with coarse agg. 12mm down at every fourth course embedded with protruding rod in column including curing etc. complete as directed in super structure above plinth level. Brick work in cement mortar with 1st class local bricks, the quality of which is to be approved by the Engineer Incharge. Bricks are to be thoroughly cleaned, soaked in fresh water for a period of atleast 6 hrs. before use. Bricks to be tested for its compressive strength as per relevent IS: code and it shall not absorb water more than 20% of its dry weight. A good bond shall be maintained both laterally and transversely. Bricks joints shall not exceed 12mm. No broken bricks shall be used except as closers. After the days work all joints shall be raked to 12mm depth so as to provide a good grip for plastering. Brick work to be properly cured till mortar has set. Brick work in sub structure up to plinth level to be do...
BRICK WORK. 10.1 Bricks shall be kiln burnt sub-class ‘B’ best quality locally available conforming to the samples kept in the office of the GE. Irrespective of whatever is specified in Schedule-‘A’, bricks shall have average compressive strength of not less than 75kg/cm2. Water absorption of bricks shall not exceed 20% when tested in accordance to IS-3495. Sampling and testing of bricks shall be carried out as per IS: 5454 and IS: 3495. The size of the brick shall be 230x115x75mm. The tolerance in size of bricks shall be ±8%.
10.2 Half brick thick wall shall be constructed over PCC sub-base with reinforcement details as specified hereinbefore in ground floor and on top of RCC slab in upper floor. Half brick thick wall of height more than 90cm shall be reinforced with two 8mm dia TMT bars horizontally at every fourth course starting from floor level and anchored in walls at junctions. The anchorage length provided shall be not less than 100mm.
BRICK WORK. 10.1 Material :
BRICK WORK. 25.1 All brick work shall be done in well burnt bricks as per chapter 7 of Northern Railway Specifications in cement mortar in proportions as may be specified in the drawings or as instructed by the Engineer-in charge.
25.2 Bricks shall be made from the good brick earth available in the locality from which supply is to be made in accordance with the contract. The earth shall be free from slakes deposits, pebbles, kankar, moulds and other deleterious matter and the brick shall be well moulded.
25.3 The brick shall be strictly in accordance with Railway Specifications and sample must be tested & got approved/ passed by the Engineer- in- charge before use in the work.
25.4 All the bricks used at site should be passed by the officer not below the rank of AXEN/ADEN, record of which should be maintained in the brick passing register, and it should be, from time to time, overseen by concerned Sr.DEN/DEN or Dy. CE/C 25.5 Further , if during inspection by AXEN/ADEN/ Sr.DEN/DEN or Dy. CE/C, it is found that bricks used in brick work, were not passed by Competent Authority, then in such case deduction for all such bricks used in the work shall be made and penalty equivalent to the cost of such “Brick Work” shall also be imposed.(Authority Chief Engineer’s Circular No. 628 issued vide letter No.10/W/O/Policy/Building dated 01.04.2016)
BRICK WORK. 5.1 BRICKS: - Refer Para 5.6.1 to 5.6.8 of MES Schedule, Part-I.
BRICK WORK. 7.1 Bricks shall be hand or machine moulded bricks, nominal size, best locally available and as approved by AGE with the crushing strength not less than 35 Kgs/Sq cm. The nominal size of bricks shall be 230mm long, 115 mm wide and 75 mm high with a tolerance of + 8% in each dimensions. The GE at his discretion, may permit use of bricks (without any price adjustment) which may not strictly conform to the said tolerance limit in sizes provided in satisfied that the bricks conform to the specifications in all other respects. With reference to Special Condition
