WBMAD/ULB/KM/NIT-17(e) /Dev/2025-2026/Sl No-27

Earth work in excavation of foundation trenches or drains, in all sorts of soil (including mixed soil but excluding laterite or sandstone) including removing, spreading or stacking the spoils within a lead of 75 m as directed. The item includes necessary trimming the sides of trenches, levelling, dressing and ramming the bottom, bailing out water as required complete. (a) Depth of excavation not exceeding 1.5 m Ref. Page -1, Item -2 a), PWD SOR Vol-I w. e. f. 1.11.2017

Earth work in filling in foundation trenches or plinth with good earth, in layers not exceeding 150 mm including watering and ramming etc. layer by layer complete. (Payment to be made on the basis of measurement of finished quantity of work) (a) With earth obtained from excavation of foundation Ref. Page 1, Item -3 a), PWD SOR Vol-I w. e. f. 1.11.2017

Filling in foundation or plinth by silver sand in layers not exceeding 150 mm as directed and consolidating the same by thorough saturation with water, ramming complete including the cost of supply of sand. (Payment to be made on measurement of finished quantity) Ref. Page 2, Item -4A, PWD SOR Vol-I w. e. f. 1.11.2017

Single Brick Flat Soling of picked jhama bricks including ramming and dressing bed to proper level and filling joints with local sand. Ref. Page 14, Item -1, PWD SOR Vol-I w. e. f. 1.11.2017 and P-1 of 96, Item -1, 3rd CORRIGENDA & ADDENDA wef 04.06.2018

Supplying and laying Polythene Sheet (150gm / Sq.M) over damp proof course or below flooring or roof terracing or in foundation or in foundation trenches. Ref. Page -47, Item -3, PWD SOR Vol-I w. e. f. 1.11.2017

Ordinary Cement concrete (mix 1:2:4) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement,if any, in gound floor as per relevant IS codes. (a) Pakur Variety Ref. Page -24, Item -4 a), PWD SOR Vol-I w. e. f. 1.11.2017 3rd CORRIGENDA & ADDENDA wef 04.06.2018

Hire and labour charges for shuttering with centering and necessary staging upto 4 m using approved stout props and thick hard wood planks of approved thickness with required bracing for concrete slabs, beams and columns, lintels curved or straight including fitting, fixing and striking out after completion of works (upto roof of ground floor) (f) 25 mm to 30 mm shuttering without staging in foundation Ref. Page -43, Item -36 f), PWD SOR Vol-I w. e. f. 1.11.2017

Ordinary Cement concrete (mix 1:1.5:3) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement if any, in ground floor as per relevant IS codes. (a) Pakur Variety Ref. Page -15, Item -7a), PWD SOR Vol-I w. e. f. 1.11.2017

Reinforcement for reinforced concrete work in all sorts of structures including distribution bars, stirrups, binders etc initial straightening and removal of loose rust (if necessary), cutting to requisite length, hooking and bending to correct shape, placing in proper position and binding with 16 gauge black annealed wire at every intersection, complete as per drawing and direction. (a) For works in foundation, basement and upto roof of ground floor/upto 4 m (i) Tor steel/Mild Steel II. Other than SAIL/ TATA/RINL Ref. Page -43-44, Item -40 II), PWD SOR Vol-I w. e. f. 1.11.2017

Brick work with 1st class bricks in cement mortar (1:6) (a) In foundation and plinth Ref.Page -15, Item -8 a), PWD SOR Vol-I w. e. f. 1.11.2017

M.S.or W.I. Ornamental grill of approved design joints continuously welded with M.S, W.I. Flats and bars of windows, railing etc. fitted and fixed with necessary screws and lugs in ground floor. (Add extra @ 1% for each addl. floor upto 4th floor and @ 1.25% for each addl. floor above 4th floor) (i) Grill weighing above 10 Kg./Sq.Mtr and up to 16 Kg./Sq.Mtr. Ref. Page -104, Item -13 (i) a), PWD SOR Vol-I w. e. f. 1.11.2017

Plaster (to wall, floor, ceiling etc.) with sand and cement mortar including rounding off or chamfering corners as directed and raking out joints including throating, nosing and drip course, scaffolding / staging where necessary (Ground floor). (i) With 1:6 cement mortar (c) 15 mm thick plaster (External Wall) Ref. Page -189, Item -1, PWD SOR Vol-I w. e. f. 1.11.2017

Neat cement punning about 1.5 mm. thick in wall, dado, window, sills, floor, drain etc. NOTE : Cement 0.152 cu.m. per 100 sq.m. Ref. Page -192, Item -15, PWD SOR Vol-I w. e. f. 1.11.2017

Supplying and Laying in the specified pattern of Interlocking Concrete Block Pavements (ICBP) with concrete blocks (with concrete grade as specified as per Table 1 of IS 15658:2006) manufactured in steel mould clamped to a vibrating table by hydraulic pressure (as per cl. No. 6.30 of IRC :SP : 63 (2018), from BIS licensee manufacturer, with spacer nib (Small protruding profiles on the vertical face of a paver block used as a device for keeping minimum joint gap in between the paving blocks, as per CI. No. 3.26 of IS : 15658) and of specification size and shape with aspect ratio (The ratio of length to thickness of a paver block, as per C.I No. 3.3 of IS : 15658) as per table 2 of IS : 15658 with flexural strength breaking load s per annexure G of IS: 15658, on the prepared base course of specified CBR as per Table 1 of IRC SP 63 (2018) or else as mentioned in design and drawing with a cushion of compacted bedding sand of 25-35 mm thick (grading of the bedding sand as per clause 6.5.1 of IRC SP-63) and filling up the gaps in between paver blocks with joint filling sand (the grading of the joint filling sand will be as per clause 6.5.2 of IRC SP- 63) and completing the edges with cut blocks as per CI. No. 8.7 of IRC SP- 63 (2018) with proper confinement of bedding and joint filling sand, compaction, levelling and filling up of the edge gap. 50 mm thick ii) Colour Decorative 12th CORRIGENDA & ADDENDA, Dated: 14.10.2020, Page 4 of 9, PWD(WB), S.O.R. Volume - I : Building Works w.e.f. 01/11/2017, Item No.-8, Page No. - 286 1 x 21.00 x 6.5 =136.5 Sqm.

Providing and fixing at or near ground level precast cement concrete in kerbs (size: 450 mm x 350 mm x width 150 mm at bottom with bevelled nosing at top) of cement concreat M20 Grade without reinforcement, fixing as per approved pattern and setting in position at site after preparing the bed grade and slopes by laying Cement concrete with jhama khoa (1:4:8) as per specification and direction of Engineer-in-Charge including filling of joints with 10 mm thick cement morter (3:1) and back filling the vertical piece properly with earth duly compacted and curing the morter joints for atleast 3 days including cost and carriage of all materials complete. Ref.Page -228, Item -8 ,PWD SOR Vol-I w. e. f. 1.11.2017

(a) Priming one coat on steel or other metal surface with synthetic oil bound primer of approved quality including smoothening surfaces by sand papering etc. Ref. Page -200, Item -1 a), PWD SOR Vol-I w. e. f. 1.11.2017

(A) Painting with best quality synthetic enamel paint of approved make and brand including smoothening surface by sand papering etc. including using of approved putty etc. on the surface, if necessary : b) on steel or other metal surface. With super gloss (hi-gloss) - (ii) Two coat (white in shade) Ref. Page -200, Item -2 A) b) ii) PWD SOR Vol-I w. e. f. 1.11.2017

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