REPAIR/ REPLACEMENT OF WATER PIPELINES AND CLEANING OF SERVICE TANK AT 20 WING AF STN BAGDOGRA UNDER GE (AF) BAGDOGRA

Amount

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.

S&F in repair, PVC (SWR) bend, any radius, 110mm bore complete all as specified and directed.

S&F in repair, PVC (SWR) junction single, (single T) equal or unequal 110mm bore complete all as specified and directed.

M&L in repair, 110mm dia PVC (SWR) pipe and single socketed in any length with rubber ring joint fixed to wall 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 old size brickwork with fly ash bricks straight or curved on plan exc 6m mean radius built in cement mortar 1:6 complete all as specified and directed.

M&L for 15mm thick rendering cement mortar (1:4) on fair faces of brick work or concrete surfaces, finished the surfaces even and fair without using extra cement complete all as specified and directed.

M&L for preparation of external surface walls of buildings and preparation of newly plastered external surface & applying two coats of cement base paint over one coat of alkali registant primer on wall/roof complete all as specified and directed.

Demolition of concrete of any description and in any position not otherwise specifically provided for cement concrete (unreinforced) complete all as specified and directed.

M&L for 75 mm thick 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 100 mm thick cement concrete, (1:2:4), type B-2 (using 40 mm graded stone aggregate) as in base /path, flooring complete all as specified and directed.

M&L for cement concrete, 1:2:4, type B0 (using 12.50 mm graded stone aggregate) as in coping, benching, gola, kerb stone, slightly rounded and similar items 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

M/s Prakash Traders

M/S BENGAL ENGINEERING ENTERPRISES

SHRI P P SHARMA

SREE SWAPAN KUMAR GHOSH

BUILDERS ASSOCIATE

NIRANJAN SARKAR

RAMKRISHNA NARAYAN ROY & CO

RABI BANIK