17/BSNL/CD/ABM/CHN/2022-23

Amount

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means over areas (exceeding 30cm in depth, 1.5m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth, lead up to 50m and lift up to 1.5m,as directed by Engineer-in-Charge.

All kinds of soil

Excavating trenches of required width for pipes, cables, etc including excavation for sockets, and dressing of sides, ramming of bottoms, depth up to 1.5 m, including getting out the excavated soil, and then returning the soil as required, in layers not exceeding 20 cm in depth, including consolidating each deposited layer by ramming, watering, etc. and disposing of surplus excavated soil as directed, within a lead of 50 m :

All kinds of soil -Pipes, cables etc. exceeding 80 mm dia. but not exceeding 300 mm dia

Treatment at points of contact of wood work by chemical emulsion Chlorpyriphos/ Lindane (in oil or kerosene based solution) @ 0.5 litres per hole by drilling 6 mm dia holes at downward angle of 45 degree at 150 mm centre to centre and sealing the same.

Supplying chemical emulsion in sealed containers including delivery as specified.

Chlorpyriphos/ Lindane emulsifiable concentrate of 20%

Providing and applying fibre reinforced elastomeric liquid water proofing membrane with resilient acrylic polymers having Sun Reflectivity Index (SRI) of 105 on top of concrete roof in three coats @10.76 litre/ 10 sqm. One coat of self-priming of elastomeric waterproofing liquid (dilution with water in the ratio of 3:1) and two coats of undiluted elastomeric waterproofing liquid (dry film thickness of complete application/system not less than 500 microns). The operation shall be carried out after scrapping and properly cleaning the surface to remove loose particles with wire brushes, complete in all respect as per the direction of Engineer-in-Charge.

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift up to 1.5 m.

Treatment of existing masonry using chemical emulsion @ one litre per hole at 300 mm interval including drilling holes at 45 degree and plugging them with cement mortar 1:2 (1 cement : 2 coarse sand) to the full depth of the hole :

With Chlorpyriphos/Lindane E.C. 20% with 1% concentration.

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level :

1:3:6 (1 Cement : 3 coarse sand(zone-III) : 6 graded stone aggregate 20 mm nominal size).

Wall painting with plastic emulsion paint of approved brand and manufacture to give an even shade :

One or more coats on old work.

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 directions of Engineer-In-Charge.

With cement mortar 1:4 (1 cement : 4 fine sand).

Renewing glass panes and refixing existing wooden fillets:

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

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

Providing and fixing water closet squatting pan (Indian type W.C. pan ) with 100 mm sand cast Iron P or S trap, 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 and fixtures complete, including cutting and making good the walls and floors wherever required:

a) White Vitreous china Orissa pattern W.C. pan of size 580x440 mm with integral type foot rests

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 :

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

Providing and fixing wash basin with C.I. brackets, 15 mm C.P. brass pillar taps, 32 mm C.P. brass waste of standard pattern, including painting of fittings and brackets, cutting and making good the walls wherever require:

(a) White Vitreous China Flat back wash basin size 550x 400 mm with single 15 mm C.P. brass pillar tap

Providing and fixing solid plastic seat with lid for pedestal type W.C. pan complete :

(a) Coloured (other than black & white) solid plastic seat with lid

Providing and fixing CP Brass Single lever telephonic wall mixer of quality & make as approved by Engineer in charge.

(a) 15 mm nominal dia

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

(a) Semi rigid pipe- 32 mm dia

Providing and fixing white vitreous china extended wall mounting water closet of size 780x370x690 mm of approved shape including providing & fixing white vitreous china cistern with dual flush fitting, of flushing capacity 3 litre/ 6 litre (adjustable to 4 litre/ 8 litres), including seat cover, and cistern fittings, nuts, bolts and gasket etc complete.

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

15 mm nominal outer dia. Pipes.

20 mm nominal outer dia. Pipes.

25 mm nominal outer dia .Pipes.

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

25 mm nominal bore

20 mm nominal bore

Providing and fixing uplasticised PVC connection pipe with brass unions :

45 cm length - 15 mm nominal bore

Providing and fixing C.P. brass shower rose with 15 or 20 mm inlet :

(a) 100 mm diameter

Providing and fixing C.P. brass bib cock of approved quality conforming to IS:8931:

(a) 15 mm nominal bore.

Providing and fixing C.P. brass stop cock (concealed) of standard design and of approved make conforming to IS:8931.

(a) 15 mm nominal bore.

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

(a) 15mm nominal bore, 107 mm long. Weighing not less than 110 gms.

Providing, laying dry joint glazed stoneware pipes class SP-1 in dispersion trench, soak pit, etc., complete as directed by the Engineer-in-Charge

100 mm diameter

Dismantling Wash basin or Indian type WC pan or Europeon Type WC pan including remving connecting pipes and angle iron brackets or P/S Trap and stacking of serviceable material within 50 m lead and disposal of unserviceable materials all as directed by the Engineer-In-Charge.

Dismantling the Tar felt from the terrace and cleaning with wire brush to remove all dirt materials, etc., for the application of waterproof coating.

Repairs to RCC slabs/lintels/beams/columns and fins by Chipping the damaged portions to a required depth and removing the rust of the existing corroded reinforcement steel using Dr. FIXIT rust remover and apply a polymer coat mixed with cement (ie using Dr FIXIT URP) in the proportion 1:2(1Ltr Dr FIXIT URP:2 kg of cement) as a bonding as well protective coating then apply a 20mm thick layer of conctrete 1:1.5:3 (1cement:1.5coarse sand:3 metal chips of 6mm size) mixed with Dr. FIXIT URP at the rate of 300ml per bag and finally plastering the surface with CM 1:3 to a thickness of 6mm mixed with Dr. FIXIT URP at the rate of 300ml per bag etc all per the direction of Engineer-in-charge.

Treatment of tile joints in toilets by making grooves using cutting machine filling the groove with Polymer mix mortar to make the joints water tight etc all complete as per the directions of Engineer-in-charge.

Providing and fixing white parryware cascade NXT oval counter top washbasin(Self-Rimming) of standard size of 550x445x200 mm with required fixtures ,etc., including the cost of single CP brass pillar tap, 15mm dia connection pipe, 32 mm dia flexible waste pipe, etc., all complete as per the direction of Engineer-in-charge.

Removing the tank outlet connection in OHT and refixing in position with new outlet fittings after cleaning the water tank and pipelines for a smooth flow of water. (The rate includes the cost of nipple, rubber gasket and flange set arrangements).

Providing and fixing UPVC pipes of 6 kg/Sqcm of Supreme / Finolex / Prince or approved equivalent (Conforming to IS 4985-2000) and fittings Conforming to IS 7834-1987 such as coupler, elbow, bends, Tee, Y, vent cowl etc,. accessories, including jointing the pipe line with solvent cement etc complete, for soil and waste pipes in toilets, kitchen, pantry, service area etc., all complete as directed by the Engineer-in-Charge. (Measurement - end to end pipe line length including fittings shall be measured.)

63mm dia UPVC pipes of 6 kg/Sqcm

Repairs to Aluminium Glazed doors by removing the door, replacing hinges/adjusting fllor spring and refixing in position for smooth operation of door size 0.90 x 2.10 m.

Providing and filling with brickbats of 40 mm nominal size in layer by layer in the dispersion trench.

Providing and filling with stone aggregate of 40 mm nominal size in layer by layer in the dispersion trench.

Providing and filling with M Sand in layer by layer in the dispersion trench.

Providing and fixing 110mm UPVC soil waste and vent pipes of approved quality of pressure 6 Kg/sqcm (Supreme / Finolex / Prince or approved equivalent and Conforming to IS 4985-2000) laid in excavated trench including testing of joints etc., complete as directed by the Engineer-in charge. ( Cost of excavation will be paid in seperate item)

Providing and fixing unplasticised PVC moulded fittings for soil waste pipes including jointing with solvent cement : 110 mm elbow/bend

Dewatering the septic tank including removal of sludge by compressor fitted tanker of capacity minimum 4000 litres including disposal of the same beyond the corporation limit all complete as directed by Engineer-in-charge.

Cleaning the inservice manholes/chambers by removing the sludge settled at bottom including washing the walls, flushing with water to make free flow through sewer lines replacing the cover slab in postion and pointing alround with cement mortar etc. all complete as directed by Engineer-in-charge.

K SITARAMAN