Constrction of Roof Truss with roof trapezoidal profile,and construction of paver block road inside garrage in ward no-02,within Englishbazar Municipality, Malda

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. PWD(WB), S.O.R. Volume - I : Building Works w.e.f. 01/11/2017, Item No.-2, Page No. - 1 (a) Depth of excavation not exceeding 1,500 mm.

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) PWD(WB), S.O.R. Volume - I : Building Works w.e.f. 01/11/2017, Item No.-3, Page No. - 1 (ii) With carried earth arranged by the contractor within a radius of 3 km. including cost of carried earth.

Single Brick Flat Soling of picked jhama bricks including ramming and dressing bed to proper level and filling joints with local sand. 3rd CORRIGENDA & ADDENDA, Dated: 04.06.2018, Page 1 of 96, PWD(WB), S.O.R. Volume - I : Building Works w.e.f. 01/11/2017, Item No.-1, Page No. - 14

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. Pakur Variety 3rd CORRIGENDA & ADDENDA, Dated: 04.06.2018, Page 12 of 96, PWD(WB), S.O.R. Volume - I : Building Works w.e.f. 01/11/2017, Item No.-10, Page No. - 26

Ordinary Cement concrete (mix 1:2:4) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement if any, in ground floor as per relevant IS codes. Pakur Variety

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. 10th CORRIGENDA & ADDENDA, Dated: 22.01.2020, Page - 1 of 6, PWD(WB), S.O.R. Volume - I : Building Works w.e.f. 01/11/2017, Item No.-40, Page No. - 43 III. OTHER MANUFACTURERS NOT SPECIFIED

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).[Excluding cost of chipping over concrete surface] 3rd CORRIGENDA & ADDENDA, Dated: 04.06.2018, Page 49 of 96, PWD(WB), S.O.R. Volume - I : Building Works w.e.f. 01/11/2017, Item No.-1, Page No. - 189 (i) With 1:6 cement mortar (b) 20 mm thick plaster

Hire and labour charges for shuttering with centering and necessary staging upto 4 m using approved stout props and thick hard wood planks of aproved thickness with required bracking for concrete slabs Beams. Columns Lintels curved or straght including fitting fixing and striking out after complction of works PWD(WB), S.O.R. Volume - I : Building Works w.e.f. 01/11/2017, Item No.-36, Page No. - 42

M.S. structural works in roof trusses with tubular sections conforming to IS: 806-1968 & IS: 1161- 1998 cnnected to one another with bracket, gusset cleats as per design, direction of Engineer-in-charge complete including cutting to requisite size, fabrication with necessary metal arc welding conforming to IS: 816- 1969 & IS: 9595 using electrodes of approved make and brand conforming to IS:814- 2004, haulage, hoisting and erection all complete. The rate includes the cost of rolled steel section, consumables such as electrodes, gas and hire charge of all tools and plants and labour reqired for the work including all incidental chages such as electricity charges, labour insurance charges etc. Payment to be made on the basis of calculated weight of structural tubular memebrs as specified in relevent IS code in finished work. Payment for gusset, bracket, cleat may be made by adding the actual weight of such items with weight of finished structural members. The rates are considered for a height of erection 8 m. / 2nd floor level from the ground. Add 1.5 % extra over the rate for each additional floor or 4m. beyond the initial 8 m. or part thereof. 3rd CORRIGENDA & ADDENDA, Dated: 04.06.2018, Page 85 of 96, PWD(WB), S.O.R. Volume - I : Building Works w.e.f. 01/11/2017, Item No.-2, Page No. - 100 i) For trusses spanning up to 12.00 m

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 paver block used as a device for keeping minimum joint gap in between the paving blocks, as per Cl. No. 3.26 of IS : 15658) and of specified size and shape with aspect ratio (The ratio of length to thickness of a paver block, as per Cl. No. 3.3 of IS : 15658) as per Table 2 of IS : 15658 with flexural strength / breaking load as 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 Cl. 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. 100 mm thick. 12th CORRIGENDA & ADDENDA, Dated: 14.10.2020, Page 5 of 9, PWD(WB), S.O.R. Volume - I : Building Works w.e.f. 01/11/2017, Item No.-9, Page No. - 286 Colour Decorative

Supplying, fitting and fixing single skin color coated trapezoidal profile for wall cladding, Roof shall be made of 0.45 mm BMT (Base Metal Thickness) (0.50 mm TCT (Total coated thickness excluding paint), G550 (min 550 yield strength), of Zincalume metalling coating (IS15965) with high Solar Reflectance Index (SRI) value for better colling as per thermatech technology, 1000-1015 mm effective cover width with five major corrugation, 28 mm high rib spaced at 203 mm c/c with subtle square fluting in the pan and the end rib shall have anti-capillary goove and return leg. The steel sheet shall be fastened with 40 micron zinc coated or 25 micron zinc-tin alloy coated, hex head, self-drilling screw as per IS 3566-2002 Class 3 fastener. The base steel shall be coated with zinc-aluminium alloy Zincalume (AZ150) (i.e. 55% Al, 43.4% Zinc, 1.6% Si) minimum of 150 g/m2 coating total on both sides, pre-painted with colorbond XRW (xterior roofing, walling) paint system of 35 micron Super Durable Polyster paint (SDP) with stable inorganic pigment with no lead contents confirming IS15965. The sheet shall be free from defects and have brand marking of the manufacturer giving product details on the back of the sheet at regular interval confirming genuinity of the material. 10th CORRIGENDA & ADDENDA, Dated: 22.01.2020, Page 5 of 6, PWD(WB), S.O.R. Volume - I : Building (i) In Roof:- a) With 0.5 mm thick sheet

Add GST @ 18% on (SL.No.1 to SL No.13)

Add L.W. Cess @ 1% on (SL.No.14)