REPAIR TO DRAIN, CULVERTS, BOUNDARY WALL, FENCING, PLINTH PROTECTION, PATH, HARD STANDING IN OFFICERS MESS ENCLAVE AND TECH AREA AND REPAIR / REPLACEMENT OF WATER PIPELINES AND CLEANING OF SERVICES TANK WORKS AT 20 WING AF STN BAGDOGRA UNDER GE (AF)

Amount

Dismantling fencing wire mesh, any type complete all as specified and directed.

Supply only 4mm dia Chain link MS galvanised fencing, weight not exceeding 4kg per sqm complete all as specified and directed.

Fixing only chain link fencing including line wires, any mesh, size and type to any type of standards, rails, straining bolts, etc. including provision of binding wire complete all as specified and directed.

M&L in repair, galvanised 2 strand, steel barbed wire 2.24 mm dia barbed with 2mm dia barbs at 75mm spacings and straining and fixing to any type of standard rails straining bolts, including, securing or tying at crossings with and provision of galvanised mild steel wire, staples or steel pins etc as directed (each line wire to be measured) complete all as specified and directed.

Restraining and resecuring including making good staples etc of galvanised 2 strand, steel barbed wire 2.24mm dia barbed with 2mm dia barbs at 75mm spacings and straining and fixing to any type of standard rails straining bolts, including, securing or tying at crossings with and provision of galvanised mild steel wire, staples or steel pins, etc as directed (each line wire to be measured) complete all as specified and directed.

Dismantling structural steel work including doors, gates etc but excluding framed truss etc complete all as specified and directed.

M&L for mild steel farmed work as in doors, gates of angle iron, flat iron or other section with gusset plates, rails, braces, hold fast, pin and pintle hinges, sliding bolt etc complete, drilled for fixing of steel sheeting or other covering. Doors etc to be prepared for hanging or sliding with and including either hooks and hinges or steel hanging door fitting (exclusive of steel sheeting or other covering, running rails and guides) and hanging; also fastening and fixing complete all as specified and directed.

Dismantling post or struts (steel or RCC) any section including taking out embedded portion in concrete, brick work, masonry etc and making good disturbed ground to match with the existing surface complete all as specified and directed.

M&L for mild steel works as in post and struts in fencing including cutting tops to shape as directed, drilling holes, notching for wire, etc.; flat iron fillets (for securing wire mesh etc.) including all necessary drilling, bolting or riveting, etc. and similar work conforming to E-290 Gde E-165 complete all as specified and directed.

M&L for PCC, (1:3:6), type C 2 (using 40 mm graded stone aggregate) as in foundation filling and mass concrete complete all as specified and directed.

Supply only steel round bar 10 mm dia and over for tying chain link fencing etc complete all as specified and directed.

M&L for screw bolts (machine made) with hexagonal or square head at one end and rounded the other or screwed both ends, each screwed end to be fitted with washers and one hexagonal or square nut, length of bolt exc 5 cm but n.exc 10 cm and dia of shank 11 to 15mm and fixed in position complete all as specified and directed.

M&L for preparation of new or untreated steel surface of any description, over 10 cm width or girth, not otherwise described and applying two coats of synthetic enamel paint over a coat of red oxide primer complete all as specified and directed.

M&L for preparation of new or untreated steel and iron surface of any description not exc.10 cm in width or girth when unconnected with other painting or when painted in a different tint and applying two coats of synthetic enamel paint over a coat of red oxide primer complete all as specified and directed.

Demolition of brick work/ stone masonry built in cement mortar including arches, pillars etc and excluding precast concrete article complete all as specified and directed.

M&L for brickwork with subclass ‘B’ old size bricks, straight or curved on plan exc 6m mean radius built in 1:4 complete all as specified and directed.

M&L for brickwork with subclass ‘B’ bricks, straight or curved on plan to any radius in half brick thick walls built in built in cement mortar 1:4 complete all as specified and directed.

Demolition of (Un reinforced) Cement Concrete in ground floors and pavings n.exc 15 cm thickness (below or above ground level) complete all as specified and directed.

M&L for PCC, (1:4:8), type D2 (using 40 mm graded stone aggregate) as in sub base etc complete all as specified and directed.

M&L for designed, pre-painted coloured chequered cement concrete tile 25mm thick with grey cement and pigments set, jointed & pointed in neat cement slurry, laid over 20mm thick screed bed in CM 1:6 finished with pigments match the shade of tile complete all as specified and directed.

M&L for 75mm thick PCC, 1:3:6, type C2 (using 40mm graded stone aggregate) as in plinth protection/ path/ paving/ bottom portion of SWTs etc laid in panels, finishing the top surface even and fair without using extra cement complete all as specified and directed.

M&L for forming Contraction (Dummy) joints 50mm deep X 10 mm wide, filled with sealing compound Grade 'A' etc complete all as specified and directed.

M&L for sand cushioning to receive interlocking tiles incl spreading, levelling in layers complete all as specified and directed.

M&L for machine pressed precast concrete interlocking paver block any shape and size confirming to IS: 15658-2006 of 60 mm thickness, M-35 grade with grey cement and pigment complete all as specified and directed.

Demolition of cement concrete of any description and in any position etc complete all as specified and directed.

M&L for cement concrete, (1:2:4), type B1 (using 20mm graded stone aggregate) as in surface channels and drains complete all as specified and directed.

Extra for forming fair finished drain or channel 30 cm inner girth in cement concrete using extra cement complete all as specified and directed.

M&L for PCC, (1:2:4), type B1 (using 20mm graded stone aggregate) as in coping, kerbs etc complete all as specified and directed.

Demolition of RCC of any description and in any position not otherwise specifically provided for etc complete all as specified and directed.

M&L for precast cement concrete, (1:2:4), type B-1 (using 20mm graded stone aggregate) in cover slab for drain and placing in position etc complete all as specified and directed.

M&L for TMT bars 10mm dia and over cut to length, bent to shape required including cranking bending, spirally for hoping for columns, hooking ends and binding with and including mild steel wire not less than 0.9 mm dia, complete all as specified and directed.

M&L for laying and levelling the mixture of fine aggregate (sand) and saw dust in the ratio of 1:1 in small arms butt for maintaing the firing range complete all as specified and directed.

Taking down cement plaster from brick or concrete or stone walls including racking out joints, hacking for key and scrubbing down with water etc complete all as specified and directed.

M&L for 15 mm thick rendering in two layers, 1st coat 10mm thick in cement mortar 1:6 and 2nd coat 5mm thick in cement mortar 1:4 mixed with water proofing compound on other than fair faces of brick work or concrete surfaces finished even and fair without using extra cement complete all as specified and directed.

Supply only water proofing compound complete.

M&L for rendering 15 mm thick cement plaster in CM (1:6) on other than fair faces of brick wall or concrete surfaces and finishing the surface even and fair complete all as specified and directed.

M&L for preparation of new plastered surface of walls and applying two coats of cement based paint over a coat of alkali resistant primer complete all as specified and directed.

Dismantling and breaking up drain pipe (Salt glazed stone ware or concrete) of 300mm dia (Internal), set in cement mortar including taking out from trenches if required with demolition of concrete bed and removing from the site complete all as specified and directed.

M&L for PCC, (1:3:6), type C-2 (using 40mm graded stone aggregates) as in concrete bed to drain pipes including packing under and completely surrounding pipes with concrete, jointed and tested for 300mm bore pipe lines complete all as specified and directed.

M&L for 300mm bore reinforced concrete pipe, class NP-2 with one collar per length of pipe complete all as specified and directed.

M&L in repair, steel rolling shutter, thickness of laths 1.25mm, with ball bearing, as specified including top cover, anchoring rod, hasp and staple, 2 lever locks and one shop coat of primer; erected in position complete push pull or manual type complete all as specified and directed.

Dismantling of existing water tank of steel/PVC/AC of capacity exceeding 250 litres but not exceeding 500 litres complete all as specified and directed.

S&F rotational moulded polyethylene water storage tank 500 ltrs capacity (cylindrical vertical with closed top) hoisted and fixed in position all as per SSR Part-I complete all as specified and directed.

Dismantling of existing water tank of steel/PVC/AC of capacity exceeding 500 litres but not exceeding 1000 litres complete all as specified and directed.

S&F for rotational moulded polyethylene water storage tank 1000 ltrs capacity (cylindrical vertical with closed top) hoisted and fixed in position all as per SSR Part-I complete all as specified and directed.

S&F in repair, ball valve, high pressure of PTMT with epoxy coated aluminium rod and high density plastic ball screwed for iron pipe of 20 mm bore and fixed, minimum weight of float valve 210 gms complete all as specified and directed.

S&F in repair, ball valve, high pressure of PTMT with epoxy coated aluminium rod and high density plastic ball screwed for iron pipe of 25 mm bore and fixed, minimum weight of float valve 210 gms complete all as specified and directed.

S&F in repair, PVC cover for PVC water tank of capacity 500/1000 Ltr of any make including locking device and screws complete all as specified and directed.

Taking up or down 15 mm bore steel tubing and connections, including cleaning for refixing or removal to store complete all as specified and directed.

Taking up or down 20 mm bore steel tubing and connections, including cleaning for refixing or removal to store complete all as specified and directed.

M&L for medium grade galvanized steel tubing with all fittings & fixed complete to walls & ceiling or laid in floors 15 mm bore pipe (including in short length) complete all as specified and directed.

M&L for medium grade galvanized steel tubing with all fittings & fixed complete to walls & ceiling or laid in floors 20 mm bore pipe (including in short length) complete all as specified and directed.

Disconnecting existing water tank of capacity exc. 250 ltr but not exc. 500 ltr, setting aside (or lowering of required) for repairs, cleaning etc. and hoisting if required reconnecting and refixing in position on roof after cleaning with suitable chemical and removing all scale & dirt etc. from tank and from mouth of pipes including writing the date of cleaning with using synthetic enamel paint (height of words/letters minimum in 100 mm) complete all as specified and directed.

Disconnecting existing water tank of capacity exc. 500 ltr but not exc. 1000 ltr, setting aside (or lowering of required) for repairs, cleaning etc. and hoisting if required reconnecting and refixing in position on roof after cleaning with suitable chemical and removing all scale & dirt etc. from tank and from mouth of pipes including writing the date of cleaning with using synthetic enamel paint (height of words/letters minimum in 100 mm) complete all as specified and directed.

S&F in repair, gun metal globe or gate valve with iron wheel head screwed both ends for iron pipe 20 mm bore and fixed complete all as specified and directed.

NOTES :- 1. The amount of schedule of credit shall be deducted from the total of this BOQ for arriving at contract sum.

UNISON CONSTRUCTION (BID ID -3406509)

M/s Prakash Traders (BID ID -3407408)

NIRANJAN SARKAR (BID ID -3408392)

BUILDERS ASSOCIATE (BID ID -3407775)

RABI BANIK (BID ID -3407062)

MESSERS D S ENTERPRISE (BID ID -3409090)

M/S BENGAL ENGINEERING ENTERPRISES (BID ID -3407421)