10/NIT/BSNL/CD/MYS/202526

Amount

Disconnecting damaged overhead/terrace PVC water storage tank of any size from water supply line and removing from the terrace including shifting at ground level as per direction of Engineer-in- charge.

Providing and placing on terrace (at all floor levels) polyethylene water storage tank, IS : 12701 marked, with cover and suitable locking arrangement and making necessary holes for inlet, outlet and overflow pipes but without fittings and the base support for tank.

Making connection of G.I. distribution branch with G.I. main of following sizes by providing and fixing tee, including cutting and threading the pipe etc. complete :

a) 25 to 40 mm nominal bore

Providing and fixing PTMT extension nipple for water tank pipe, fittings of approved quality and colour.

a) 15 mm nominal bore. Weighing not less than 32 gms.

b) 25mm nominal bore. Weighing not less than 62 gms.

Providing and fixing PTMT Ball cock of approved quality, colour and make complete with Epoxy coated aluminium rod with L.P./ H.P.H.D. plastic ball.

a) 20 mm nominal bore, 120 mm long. Weighing not less than 198 gms.

Making hole up to 20x20 cm and embedding pipes up to 150 mm diameter in masonry and filling with cement concrete 1:3:6 (1 cement: 3 coarse sand : 6 graded stone aggregate 20 mm nominal size)including disposal of malba.

Providing and fixing G.I. Union in G.I. pipe including cutting and threading the pipe and making long screws etc. complete (New work)

a) 40 mm nominal bore

Providing and fixing gun metal gate valve with C.I. wheel of approved quality (screwed end) :

a) 40 mm nominal bore

Providing and fixing gun metal non- return valve of approved quality (screwed end) :

i) 40 mm nominal bore

a) Horizontal

Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot & cold water supply, including all CPVC plain & brass threaded fittings, including fixing the pipe with clamps at 1.00 m spacing. This includes jointing of pipes & fittings with one step CPVC solvent cement and testing of joints complete as per direction of Engineer in Charge. : Internal work - Exposed on wall

a) 40 mm nominal outer dia. Pipes.

b) 25 mm nominal outer dia .Pipes.

Providing and laying factory made Precast concrete solid blocks of 200 mm thickness of grade M10 made of C&D waste from approvedmanufacturer in foundation and plinth in:

a) Cement mortar 1:6 (1 cement : 6 coarse sand)

Providing and placing in position 100 mm thick factory made machine batched & machine mixed Precast RCC Rectangular Covers on drains of footpath of various sizes, of M-25 grade cement concrete for RCC work, including cost of centering, shuttering, reinforcement of 8 mm dia TMT bars of Fe 500 grade @ maximum 100mm c/c on both ways , neat cement punning on finished surface, properly encased on all edges with 1.6 mm thick , 100 mm wide MS sheet duly painted over priming coat , reinforcement to be welded at edges with MS sheet and providing 2 Nos. 12 mm dia bar for hooks etc i/c cost of cartage, all leads & lift, handling at site etc. all complete as per direction of Engineer-in-Charge.

Demolishing brick work manually/ by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer-in-charge..

a) In cement mortar

Repairs to plaster of thickness 12 mm to 20 mm in patches of area 2.5 sq.meters and under, including cutting the patch in proper shape, raking out joints and preparing and plastering the surface of the walls complete, including disposal of rubbish to the dumping ground, all complete as per direction of Engineer-in-harge.

a) With cement mortar 1:4 (1cement: 4 coarse sand).

Removing dry or oil bound distemper, water proofing cement paint and the like by scrapping and sand papering and preparing the surface smooth including necessary repairs to scratches etc. complete

Distempering with FIRST QUALITY acrylic distemper(ready mixed) having VOC content less than 50gms /litre of approved brand and manufacture& of required shade & colour all complete to give an even shade & colour :

a) New work (two or more coats) over and including water thinnable priming coat with cement primer having VOC content less than 50gms /litre

Painting with synthetic enamel paint of approved brand and manufacture to give an even shade :

a) Two or more coats on new work.

Providing and fixing 600x450 mm beveled edge mirror of superior glass (of approved quality) complete with 6 mm thick hard board ground fixed to wooden cleats with C.P. brass screws and washers complete.

Cleaning of under ground sump, Over Head R.C.C. Tank (independent staging) including disposal of slit and rubbish, all as per direction of Engineer-in-Charge. The cleaning shall consist following operations:-

(i) Tank shall be emptied of water by pumping & bottom shall be cleaned of slit and other deposits.

(ii) Entire surface area of the sump shall then scrubbed thoroughly with wire brush etc. and pressure washed with water.

(iii) Chlorination of RCC internal surface by liquid chlorine.

(iv) The treated surface shall be dried using air jetting and all loose particles shall be removal from the surface.

(v) Finally the surface shall be treated with ultraviolet radiation etc. as per direction of Engineer-in-Charge.

Renewing glass panes, with putty and nails wherever necessary including racking out the old putty:

a) Float glass panes of nominal thickness 4 mm (weight not less than 10kg/sqm).

Providing and fixing PTMT bib cock of approved quality and colour.

a) 15mm nominal bore, 86 mm long. Weighing not less than 88 gms.

Providing and fixing PTMT stop cock of approved quality and colour.

a) 15 mm nominal bore, 86 mm long. Weighing not less than 88 gms.

Providing and fixing unplasticised P.V.C. connection pipe with PTMT Nuts, collar and bush of approved quality and colour.

a) 15 mm nominal bore with 30 cm length.

b) 15 mm nominal bore with 45 cm length.

Dismantling of flushing cistern of all types (C.I./PVC/Vitreous China) including stacking of useful materials near the site and disposal of unserviceable materials within 50 metres lead.

Providing and fixing on wall face unplasticised Rigid PVC rain water pipes conforming to IS : 13592 Type A, including jointing with seal ring conforming to IS : 5382, leaving 10 mm gap for thermal expansion, (i) Single socketed pipes.

a) 110 mm diameter

Providing and fixing on wall face unplasticised - PVC moulded fittings/accessories for unplasticised Rigid PVC rain water pipes conforming to IS 13592 Type A, including jointing with seal ring conforming to IS : 5382, leaving 10 mm gap for thermal expansion.

a) Coupler

b) Single pushfit Coupler :

c) Single tee with door

d) Shoe (Plain)

110 mm Shoe

Providing and fixing unplasticised -PVC pipe clips of approved design to unplasticised - PVC rain water pipes by means of 50x50x50 mm hard wood plugs, screwed with M.S. screws of required length, including cutting brick work and fixing in cement mortar 1:4 (1 cement : 4 coarse sand) and making good the wall etc. complete.

Providing and fixing to the inlet mouth of rain water pipe cast iron grating 15 cm diameter and weighing not less than 440 grams.

Removing Vegetation grown on wall,sun shades into the sewers by cutting scapping washing with water under pressure & disposing the waste including scaffolding up to second floor as directed by Engineer-in-Charge:

Providing and fixing CPVC gate valve of approved quality as directed by Engineer in charge.

Cleaning of Toilet unit including WCs, urinals, wash basins existing in the toilet unit with toilet cleaner and cleaning ceramic tile flooring / dado upto 1.83m height, by rubbing with scrubbers, using mild acid, toilet cleaner,detergent powder and flushing with water etc. complete, as directed by Engineer in charge.