West Bengal State Electricity Distribution Company Limited Tender

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.

Filling in foundation or plinth by silver sand in layers not exceeding 150 mm. as directed and consolidating same by thorough saturation with water ramming complete, including the cost of supply of sand. (Payment to be made on measurement of finished quantity).

Single brick flat soling of picked jhama bricks including ramming and dressing bed to proper level and filling joints with powdered earth or local sand.

Hire and labour charges for shuttering with centreing 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, columns, lintels curved or straight including fitting, fixing and striking out after completion of works (upto roof of ground floor). (a) 25 mm to 30 mm thick wooden shuttering as per decision & direction of Engineer-In-Charge. i) In ground floor. a) 25mm to 30mm shuttering without staging in foundation

(a) 25 mm to 30 mm thick wooden shuttering as per decision & direction of Engineer-In-Charge

Cement concrete with 30 mm down graded shingles excluding shuttering. N.B. Variety

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. b) River bazree.

Reinforcement for reinforced concrete work in all sorts of structures including distribution bars, stirrups,binders etc. including supply of rods, initial straightening and removal of loose rust (if necessary), cutting to requisite length, hooking and bennding 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 4m. (i) Tor steel/Mild steel I. SAIL/ TATA/RINL In Ground Floor and Foundation.

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. River bazree. i) In ground floor and foundation.

Brick work with 1st class bricks in cement mortar (1:6). (a) In foundation and plinth

Stripping off worn out plaster and raking out joints of walls, celings etc. upto any height and in any floor including removing rubbish within a lead of 75m as directed.

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.] (i) With 1:6 cement mortar (c) 15 mm. thick plaster. For Outer walls. In ground floor.

Neat cement punning about 1.5 mm. thick in wall, dado, window, sills, floor, drain etc. NOTE: Cement 0.152 cu. M. per sq.m.

Protective and decorative Acrylic exterior emulsion paint of approved quality, as per manufacturer's specification and as per direction of EIC to be applied over acrylic primer as required.The rate includes cost of material, labour, scaffolding and all incidental charges but excluding the cost of primer. (a) Normal Acrylic Emulsion In ground floor.

Applying Exterior grade Acrylic Primer of approved quality and brand on plastered or concretesurface old or new surface to receive decorative textured (mat finish) or smooth finish acrylic exterior Immersion paint including scrapping and preparing the surface thoroughly, complete as per manufacturer's specification and as per direction of E.I.C (ii) One coat on new surface. In ground floor.

Priming one coat on steel or other metal surface with synthetic oil bound primer of approved quality including smoothening surfaces by sand papering etc. (This item is applicable to new work or old work when the original surface has been exposed by removal of old paint.)

(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. (a) On steel or other metal surface : With super gloss (hi-gloss) - (iv) Two coats (with any shade except white)

M.S structural works in columns ,beams etc. With simple rolled strual members (e.g. joists, angle, channel sections conforming to IS:226, IS:808 & SP (6)1964 connected to one another with bracket, gussets, cleats as per design, direction of Engineer-in charge complete including cutting to requisite shape and length, fabrication with neceassry bolting metal arc welding conforming to IS:816-1956 and IS:1995 using electrodes of approved make and brand conforming to IS:814-1957, 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 required for the work including all incidental chages such as electricity charges, labour insurance charges etc.I) For structural members of specified sections weighing less than 22.5 Kg./m

(a) Supplying, fitting galvanised 3 ply 12 gauge / 4 points line of barbed wire in fencing (holes already made in the body of the post) or fixed by staples tightening and fixing the wires in taut condition with straining bolts including the cost of cutting and of lapping joints in the wire as necessary but excluding the cost of galvanised staples,straining bolt and binding wire where necessary.

Renewing bottom curved rail of M.S. flat with necessary clamps under the curved M.S.flats and fixing them after cutting holes with cement concrete (1:2:4) with stone chips and mending good damages to run smooth the heavy iron gated door or G.C.I. Sheet door or gate. (ii) 40 mm x 6 mm flat

Renewing W.I. or M.S. wheel or roller of steel door or gate fitted and fixed with neceessary clamps and nuts and bolts and erected complete. (ii) below 50mm.

M.S. gate of Jail type as per approved design made of strong M.S. frame work, intermediate stiffeners and round / square bars or angles. M.S. sheet (not less than 14 gauge) gussets, cleats etc. including necessary riveting, bolting, welding, locking and hanging arrangements, fitting and fixing complete as per direction of the Engineer-in -charge. In ground floor.

Labour for picking up existing gravels spreaded within the switchyard to an average depths upto 100mm including screening and stacking the same for re-spreading

Supplying gravels/ shingles of North Bengal Variety and stacking at site including cost of materials, carriage, loading, unloading all complete including all taxes and duties and incidental charges as per direction of Engg-In- Charge

Labour for spreading gravel/shingles around the sub-station structures in the switchyard premises in uniform thickness of 100 mm including carriage of materials from the stack as per direction of Engg-In-Charge.

Application of priming coat for standard bituminous waterproofing treatment over flat roof with Bitumen primer of approved brand fufilling the provision of I.S. 1346 - 1991 & 3384 - 1986 applied @ 0.27 Liters /Sq.m. over clean and prepared roof surface complete as per satisfaction of the Engineer - in - Charge.

Supplying & laying 3mm thick pre-fabricated plastomeric water proofing membrane conforming to EN 12311-1 & ASTMD 5147, manufactured with atactic poly propylene (APP) modified premium grade asphalt , specially reinforced with non-woven polyester core with polyester reinforcement @160 gms per sqm & both faces covered with thermo-fusible polyethylene film /MineraL on top face over a coat of primer @ 0.40 lit/sqm of manufacturer's specification on smooth,clean dry surface prepared wherever required.Lap joint shall be provided of 75 mm in longitudinal & 100 mm in transverse direction and fused using LPG/ Propane torch employing extra care ensuring full bondage,complete removal of entrapped air and sealing edges into grooves in appropriate manner as per direction of Engineer -in-charge all complete including materials,labour and applicable taxes. (Payment shall be made on the basis of finished surface area.). Membrane Property: Softening Point 150 deg C, Cold Flexibility -6 deg C, Tensile Strength, N/cm : 600 (longitudinal), 450 (transverse), Tearing Strength, N: 300 (longitudinal), 200 (transverse) (Ref: Sl. No. 97 of (U) Additional Items, Page no. 302 of PWDSOR for Building works w.e.f. 01.12.2015)