10/EEC/BSNL/CD /BGL/2021-22

Amount

Providing and laying cement concrete in retaining walls, return walls, walls (any thickness) including attached pilasters, columns, piers, abutments, pillars, posts, struts, buttresses, string or lacing courses, parapets, coping, bed blocks, anchor blocks, plain window sills, fillets, sunken floor, etc., up to floor five level, excluding the cost of centering, shuttering and finishing :

:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 20 mm nominal size).

Centering and shuttering including strutting, propping etc. and removal of form work for :

Retaining walls, return walls, walls (any thickness) including attached pilasters, buttresses, plinth and string courses fillets, kerbs and steps etc..

Demolishing lime concrete manually/ by mechanical means and disposal of material within 50 metres lead as per direction of Engineer in-charge

Dismantling tile work in floors and roofs laid in cement mortar including stacking material within 50 metres lead.

For thickness of tiles 10 mm to 25 mm

Providing and fixing aluminium hanging floor door stopper, ISI marked, anodised (anodic coating not less than grade AC 10 as per IS : 1868) transparent or dyed to required colour and shade, with necessary screws etc. complete.

Single rubber stopper

Providing and fixing factory made P.V.C. door frame of size 50x47 mm with a wall thickness of 5 mm, made out of extruded 5mm rigid PVC foam sheet, mitred at corners and joined with 2 Nos of 150 mm long brackets of 15x15 mm M.S. square tube, the vertical door frame profiles to be reinforced with 19x19 mm M.S. square tube of 19 gauge, EPDM rubber gasket weather seal to be provided through out the frame. The door frame to be fixed to the wall using M.S. screws of 65/100 mm size, complete as per manufacturer’s specification and direction of Engineer-in-Charge.

Providing and fixing factory made panel PVC door shutter consisting of frame made out of M.S. tubes of 19 gauge thickness and size of 19 mm x 19 mm for styles and 15x15 mm for top & bottom rails. M.S. frame shall have a coat of steel primers of approved make and manufacture. M.S. frame covered with 5 mm thick heat moulded PVC ‘C’ channel of size 30mm thickness, 70 mm width out of which 50 mm shall be flat and 20 mm shall be tapered in 45 degree angle on both side forming styles and 5 mm thick, 95 mm wide PVC sheet out of which 75 mm shall be flat and 20 mm shall be tapered in 45 degree on the inner side to form top and bottom rail and 115 mm wide PVC sheet out of which 75 mm shall be flat and 20 mm shall be tapered on both sides to form lock rail. Top, bottom and lock rails shall be provided both side of the panel. 10 mm (5 mm x 2 ) thick, 20 mm wide cross PVC sheet be provided as gap insert for top rail & bottom rail, paneling of 5 mm thick both side PVC sheet to be fitted in the M.S. frame welded/ sealed to the styles & rails with 7 mm (5 mm+2 mm) thick x 15 mm wide PVC sheet beading on inner side, and joined together with solvent cement adhesive. An additional 5 mm thick PVC strip of 20 mm width is to be stuck on the interior side of the ‘C’ Channel using PVC solvent adhesive etc. complete as per direction of Engineer-in-charge, manufacturer’s specification & drawing.

30 mm thick plain PVC door shutters.

Providing and fixing 100mm brass locks (best make of approved quality) for aluminium doors including necessary cutting and making good etc. complete.

Providing and fixing 1mm thick M.S. sheet door with frame of 40x40x6 mm angle iron and 3 mm M.S. gusset plates at the junctions and corners, all necessary fittings complete, including applying a priming coat of approved steel primer.

Using M.S. angels 40x40x6 mm for diagonal braces

Steel work welded in built up sections/ framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required.

In gratings, frames, guard bar, ladder, railings, brackets, gates and similar works.

12 mm cement plaster finished with a floating coat of neat cement of mix :

1:3 (1 cement: 3 fine sand)

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

Two or more coats on new work.

Distempering with 1st quality acrylic distember (Ready mix) having VOC content less than 50 grams/ litre of approved brand and manufacture to give an even shade :

Old work (one or more coats)

Providing and fixing double scaffolding system (cup lock type) on the exterior side, up to seven story height made with 40mm dia. M.S. tube 1.5m centre to centre horizontal & vertical tubes joining with cup & lock system with M.S. tubes, M.S. tube challies, M.S. clamps and M.S. staircase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for the required duration as approved and removing it there after. The scaffolding system shall be stiffened with bracings, runners, connection with the building etc. wherever required for inspection of work at required locations with essential safety features for the workmen etc. complete as per directions and approval of Engineer-in-charge .The elevational area of the scaffolding shall be measured for payment purpose. The payment will be made once irrespective of duration of scaffolding. Note: - This item to be used for maintenance work judicially, necessary deduction for scaffolding in the existing item to be done.

Providing and fixing white vitreous china pedestal type water closet (European type W.C. pan) with seat and lid, 10 litre low level white P.V.C. flushing cistern, including flush pipe, with manually controlled device (handle lever), conforming to IS : 7231, with all fittings andfixtures complete, including cutting and making good the walls and floors wherever required :

W.C. pan with ISI marked white solid plastic seat and lid

Providing and fixing P.V.C. waste pipe for sink or wash basin including P.V.C. waste fittings complete.

Flexible pipe

32 mm dia

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

25 mm nominal outer dia .Pipes.

40 mm nominal outer dia. Pipes.

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 :

25 to 40 mm nominal bore

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

25 mm nominal bore

Providing and fixing uplasticised PVC connection pipe with brass unions :

30 cm length

15 mm nominal bore

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

25 mm nominal bore

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.

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.

15 mm nominal bore, 105 mm long. Weighing not less than 138 gms.

Cutting holes up to 30x30 cm in walls including making good the same:

With common burnt clay F.P.S. (non modular) bricks.

Dismantling of aluminium partitions, doors, fixed glazing board etc including disposal of unserviceable material and stacking the same carefully with in the premises etc. complete as per the directions of the Engineer-in-charge. (Note: Proper care shall be taken for handling and stacking of glass panes).

Shifting of the dismantled / stacked aluminium partition of up to 125 Sqm, including aluminium sections, 12 mm thick particle board panels and 5.0 mm to 6.0 mm Glass panes doors etc. from 4th floor to the 1st floor of Switch room, R.T.Nagar T.E.Building complete as per the direction of Engineer in charge. (Note: Proper care shall be taken for shifting and stacking of glass panes).

Providing and fixing CPVC Union in CPVC pipe including cutting and fixing the pipe of approved quality etc. complete as per the directions of Engineer-in-Charge.

25 mm nominal bore

Providing and fixing CPVC ELBOWin cpvc pipe including cutting and fixing the pipe of approved quality etc. complete as per the directions of Engineer-in-Charge.

40 mm nominal bore

Providing and fixing G.I.TEE including cutting and fixing the pipe of approved quality etc. complete as per the directions of Engineer-in-Charge.

40 mm nominal bore

Cleaning of under ground sump / water storage tanks including chemical treatment with Anti bacterial agent consisting of following process:-

1)MECHANIZED DEWATERING:- Mechanized dewatering should be done by submersible Dewatering Pump having, suitable outlet and discharge and control panel. The details of Motor, cable, seal, material of construction and control panel should be furnished by the intending bidders.

2) DESILTING AND REMOVAL OF LEFT OVER DIRTY WATER SLUDGE WITH A SLUDGE REMOVAL PUMP:- Proper sludge pump and wash out pipes should be used.

3) CLEANING OF WALL, CEILING AND FLOOR BY HIGH PRESSURE WATER JET WITH THE HELP OF EQUIPMENTS WHICH CREATES A PRESSURE OF 100-150 BAR:- Cleaning should be done by high pressure cleaner with following specifications Fully automatic controlled, auto start – stop, high pressure Cleaning Machine having F- Class insulation protection. The Heavy Duty Machine, should be operated by HPC operator, on continuous duty, in variable fully adjustable mode from working pressure of 100 Bar to 150 Bar. The machine should have twin steel core protection Rubber High Pressure Hose to safely withstand operating pressure of 250 Bar, and two cleaning lances, One with Rotary Jet and the Second one a flat jet for effective Drinking Water Tank Cleaning Operations.

4) REMOVAL OF REMAINING SLUDGE FROM THE FLOOR WITH THE HELP OF INDUSTRIAL VACUUM CLEANER:- (A)Removal of remaining sludge with the help of Heavy Duty Industrial Vacuum Cleaner and Sludge Sucker having Max Power of 1200 W., with suitable heavy duty rugged Motor. (B) Imported Sludge Sucker should be a part of the High Pressure System which sucks sludge and throws the same out of Tank, this must handle solid particles as well.

5) SPRAYING OF NON TOXIC, BIO DEGRADABLE, ECO FRIENDLY ANTI BACTERIAL AGENT CERTIFIED BY A GOVT. APPROVED LABORATORY TO DISINFECT THE TANK FROM ALL HARMFUL PATHOGENS. THE DOSE UTILIZED SHOULD BE SAFE AS PER THE OECD GUIDELINES 423 ADOPTED ON 17TH DECEMBER 2001.

6) TREATMENT OF INSIDE TANK BY EXPOSING UV RADIATION TO KILL FURTHER SUSPENDED OR FLOATING BACTERIA, IF ANY:- Treatment of inside tank be done by exposing UV – radiation by heavy duty UV radiator. The radiator should be designed in a way to ensure 360 degrees of sterilization and should have suitable lamps for effective sterilization for a period of 8000 working hours. The Radiator must be totally portable and effective for final sterilization of drinking water tanks for elimination of floating and suspended bacteria.

Special Note : All safety Gadgets like Safety Belts, Special Safety Ladder, Helmets, Heavy Duty Gum Boots, Electric Safety Gloves and Special Working Gloves, Safety Goggles, Masks, Aprons, etc. for complete security and safe operations be used by well trained operators. Storage and Cleaning equipments like Scrubbers/Wipers, Storage drums, Sludge Collectors and Cisterns, etc. must be integral part of system. Quoted rate shall includes :- a) cost of Lettering work with black synthetic enamel paint material to identify Capacity of tank , Date of cleaning and due date of cleaning etc., b) Rate is inclusive of testing charges for potability of water after cleaning of O/H water tanks/ sump tanks etc., all as directed by the Engineer-in-charge. nothing extra shall be paid on any account.

UNDER GROUND SUMP / WATER STORAGE TANKS [ RCC/MASONRY]

40000 litres

Repairs & easening of PVC door shutter including removing and refixing the same in good operating condition after attending necessary repairs and replacing the faulty hinges with Oxidised mild steel butt hinges 100x58x1.90 mm etc. complete as directed by the E.I.C

Repair and easening of aluminium door shutters by taking out the shutter for replacement of damaged pivots, rubber gasket, re-assembling the shutter by removing and refixing the screws in styles/rails, filing the edges where ever required etc., complete as per the directions of Engineer-in-Charge.