REPAIR/MAINT OF ROOF OF VARIOUS TECH ACCNS IN WSA, CAMOUFLGAE PAINTING AT ADM HQS, BASE OPS, MT SECTION, ADJECENT, MES CHOWPATI AND SB GATE AREA, REPAIR/MAINT INCL CLEANING OF OVER HEAD TANKS AND REPAIR/MAINT OF WATER SUPPLY PIPELINES INCL REPLACEMEN

Amount

Taking down cement plaster any description on brick or stone walls, etc. including raking out joints, hacking for key, scrubbing down with water etc and removing rubbish off the premises, complete all as specified and as directed.

Material & labour for rendering 15mm thick in cement mortar (1:4) in two layers (10mm thick in first layer and 5mm thick in second layer) finished even and smooth without using extra cement mixed with water proofing compound as per manufacturer’s instructions in top layer, complete all as specified and as directed. (Note : WPC shall be measured & paid separately)

Supply only liquid water proofing compound of approved quality, complete all as specified and as directed (Make : CICOO No 1/SIKA/ACCO PROOF/Dr. FIXIT)

M & L for complete removal of existing treatment on walls, complete all as specified and as directed.

M & L for finishing walls with acrylic smooth exterior paint of shade/pattern-deep green/camouflage as directed (two or more coats applied @ 1.67 ltr/10 sqm over and including priming coat of exterior primer applied @ 2.20 kg/10 sqm), complete all as specified and as directed.

M & L for preparation of old painted surfaces of wall, chajja, fascia, cornices, parapet, balcony etc and applying one coat of exterior emulsion paint of shade/pattern-deep green/camouflage, complete all as specified and as directed.

All as per item No. 6 here in before but height exc 10m and n.exc 20m for RCC overhead structures like OHT etc, complete all as specified and as directed.

All as per item No. 6 here in before but height exc 20m for RCC overhead structures like OHT etc, complete all as specified and as directed.

M & L for preparation of old painted wooden surfaces of any description, not other wise described, over 10cm width or grith and applying one coat of synthetic enamel paint (1st grade quality), complete all as specified and as directed.

M & L for preparation of old painted steel/iron surfaces of any description, not other wise described, over 10cm width or grith and applying one coat of synthetic enamel paint (1st grade quality), complete all as specified and as directed.

M & L for preparation of old painted steel/iron surfaces of any description, not other wise described, over 10cm width or grith and applying one coat of aluminium paint, complete all as specified and as directed.

M & L for preparation of surfaces incl brooming down or steel wire brushing scrapping down smoke soot, moulds, moss and efflorescent salts over all decorated plastered or un plastered surfaces of wall incl cornices etc and applying one coat of white wash, complete all as specified and as directed.

All as per item No 14 here in before but applying one coat of oil bound distemper on wall, complete all as specified and as directed.

All as per item No 14 here in before but applying one coat of white washing on ceiling, complete all as specified and as directed.

All as per item No 14 here in before but applying one coat of cement base paint on walls, complete all as specified and as directed.

All as per item No 14 here in before but applying two coats of cement base paint on walls, complete all as specified and as directed.

All as per item No 14 here in before but applying two coats of exterior emulsion paint on plaster surfaces of walls/chajjas/band/fascia/balcony etc.of shade/pattern-deep green/camouflage, complete all as specified and as directed.

M & L for writing letters or figures (block, roman, italic or indian) not exceeding 30cm high, complete all as specified and as directed.

M&L for rendering 15mm thick plaster in CM (1:4) on faces of brick work with or concrete finished even and smooth without using extra cement, complete all as specified and as directed.

M & L for applying two coats of cement base paint on wall including preparation of new surfaces of walls, complete all as specified and as directed.

M&L for plaster of 15mm in CM (1:4) n.exc 1 Sqm each patch, on brick walls, finished even and smooth without using extra cement including taking down old cement plaster on brick walls, concrete surfaces raking out joints, hacking for key, scrubbbing down with water etc. and finished the surfaces matching of exiting colour finish, complete all as specified and directed.

Demolition of brick or stone/boulders work built in cement mortar including all quins, arches, pillars etc removing rubbish off the premises complete all as specified and as directed

Material and labour for brick work with sub class 'B' bricks (old size bricks) straight or curved on plan exc 6m mean radius built in cement mortar (1:6), complete all as specified and as directed.

Demolition of cement concrete (unreinforced) of any description and in any position not otherwise specifically provided and rubbish off the premises, complete all as specified and as directed

M&L for PCC (1:2:4) type B-1 (using 20mm graded crushed stone aggregate) as in coping, in lintels upto 1.5m clear span, cills, steps; seismic and other similar bands, plinth courses, string courses, lacing courses, parapets and railings upto 60cm in height, copings, kneelers, apex stones, bed plates, kerbs, water troughs and the like including weathering, slightly rounded or chamfered angles and throating & necessary formwork, complete all as specified and as directed

S&F in repair cast iron sluice valve in any position double flanged complete with brass spindle, iron wheel handle clock wise closing with drilled hole flanged heavy duty PN 1.6 of 80mm bore including rubber gasket, nuts, bolts, washers including taking down unserviceable sluice valve of size 80mm bore, complete all as specified and as directed. (Make Kirloskar/Leader/Upadhyay.

All as per item No 28 here in above but of 100mm bore, complete all as specified and as directed.

All as per item No 28 here in above but of 150mm bore, complete all as specified and as directed.

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

M&L PCC (1:4:8) type D-2 (using 40mm graded crushed stone aggregate) as in foundation filling and mass concrete etc, complete all as specified and as directed.

M&L PCC (1:3:6) type C-1 (using 20mm graded crushed stone aggregate) as in bedding and coping etc, complete all as specified and as directed.

Dismantling cross arm of MS channel or angle section etc and removing from site, complete all as specified and as directed.

M&L for cross arms, bracings, supports, clamps and back plates fabricated from structural steel sections including nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed and inclusive of one primer coat, one under aluminium coat and one finishing coat of paint complete for base support frame for water tanks at roof top/ground floor, complete all as specified and as directed.

Excavation in trenches not exe. 1.5m in depth and not exe 1.5m in width including getting out for laying of pipes etc including forming bottom surface to required level in soft/loose soil, complete all as specified and as directed.

Returning, refilling including spreading levelling watering and well ramming in layers not exce. 25cm thick, complete all as specified and as directed.

Removing surplus soil to a distance not exc. 50m and depositing where directed at a level not exc. 1.5m high from the starting point, complete all as specified and as directed.

M&L for testing the raw/treated water and submit following test report from Govt. approved Lab and its physical, chemical and biological analysis report to know the quality of drinking water in every three month or as and when required as directed including the followings :- (a) Collection of 09 Nos of samples of raw water/treated water from each location i.e. (new pump house, NCE’s pump house, KV pump house No-1, RS pump house, Tech pump house, Nala post pump house, Arjan pump house and KV pump house No-II, IMTRAT pump house) as directed. (b) Submit/deposit all samples at the nearest Govt approved test lab. The test for the following parameters shall to be carried out:- (i) Turbidity (ii) PH Level (iii) TDS (iv) Colour (v) Alkalinity (vi) Hardness (vii) Iron (viii) Chloride (ix) Chlorine (x) fluoride (xi) Nitrate (xii) Copper (xiii) Colliform (xiv) Feacel Colliform (c) Submit the test report duly signed by appropriate authority. (Note: Cost for collection of samples, test tube/flask and trasportation to LAB deemed to be included in the unit rate).

M & L for cleaning and washing Underground sump reservoir of capacity upto 50000 gallon, disconnecting the inlet and outlet valves, cleaning the tank by blocking the water supply system including removing sludge/scale/sedements etc from bed level and scrapping the floor and wall surfaces with wire brush and cleaning with potassium permangnate (KMNO4) solution at least three times to remove oily surfaces from internal floor and wall of the tank and finally cleaning with fresh water and applying cement wash on walls including re-fxing of inlet and outlet valves and normalizing the water supply by opening valves after allowing suffcient drying time, including writing date of cleaning with synthetic enamel paint as "CLEANDED ON" complete all as specified and as directed (Note: Quoted rate shall deemed to be inclusive of cost of Potassium permangnate, scaffolding (if required) and disposal of sludge/scale/sediments upto a distance of n.exc 50m from work site)

M & L for seven stage cleaning and sterilization of inside UG sump reservoir capacity 50000 Gallons through bacterioligical treatment by using the following methods:- 1. Draining out the water by using exist valve or high capacity dewatering system. 2. Cleaning all the algae formation inside the tank by using TERBAC G10, a laboratory tested branded chemical and scrubbing the walls of the tanks. 3. Fresh water cleaning inside the tank, by high speed jet pump. 4. First bacteria screening decertification by using TERBAC-G5 a Laboratory certified brannded halogen compound. 5. Cleaning the floor of water tank by industrial vaccum cleaner. 6. Second bacteria screening for sterilization by using ultra voilet ray within the tank and kills all suspended bacteria. 7. Third bacteria screening for sterilization of the water tank by using laboratory certified, branded strong oxidizing agent TERBAC-G65. Note : (i) On completion sterilization test certificate of Govt laboratory shall be submitted to the Engg-in-Charge by the contractor. (ii) Re writing the letters n. exc 25cm high with synthetic enamel paint, white colour or fix a sticker mentioning the date of cleaning as ' TANK CLEANED ON'. (iii) The quoted unit rate is included for removal of mud, grits, deposist & disposal etc from site of work. (iv) The quoted rate shall deemed to be inclusive of scaffolding. (v) Contractor shall not allow more than one day to do work inside each OHT to prevent interruption of water supply to users. (vi) All required safety equipments (gumboot,helmets safety belts,safety googles, orch light etc) and necessary insurance for sefety of working staff to execute the work is responsibility of contractor.

Supply & fixing in repairs air termination single pointed copper rod 12mm dia and 300mm long with necessary fixing arrangement on roof, complete all as specified and as directed.

PVC rectangular block for mounting, switches, sockets, fan regulator etc. with 3mm thick plastic laminated sheet cover of size 100mm x 100mm and 50mm deep fixed on wall /OHT, complete all as specified and as directed.

S & F aluminium strip 25 x 3.15mm with saddles and fixing screws etc. for roof conductors and down conductors above ground, complete all as specified and as directed.

Supply and fixing porcelain vitreous white/brown/green spacers insulator of size 75mmx35mmx40mm height complete with one number galvanized iron stud bolts 6mm dia x 40mm long including nut & washers and two number galvanized iron fixing bolts of size 6mm dia and 50mm long including washers and drilling holes for holding/foxomg aluminium strip/roof conductor as required including taking down the broken insulator, complete all as specified and as directed.

S&F 40mm bore tubes, light grade galvanised, with all fittings and fixed complete to walls and ceilings by flat iron clamp, nuts, bolts etc complete or laid in floors, complete all as specified and as directed.

M & L for earthing complete with galvanized steel earth plate electrode 600mm x 600mm x 6mm thick buried directly in ground (earth pit not less than 2.25m deep below ground level) with top edge of plate not less than 1.5m below normal ground level, connected to galvanized steel earth lead wire 25x4mm earthing lead with bolts, nuts, check nuts and washers of galvanized iron or steel, all as shown in electrical plate No 3 of SSR Part - I, including necessary excavation and earth work, P.C.C (1:3:6) type C-I with 50mm thick Pre-cast R.C.C. (1:2:4) type B-I cover slab (reinforced with 8mm dia deformed bar @ 15cm C/C both ways and suitable handle of 10mm dia round bar), including providing charcoal or coke and common salt in alternate layers of 15cm compacted thickness all around the earth electrode, with funnel and 20mm bore galvanized iron watering pipe (light grade), wire mesh, aluminium lugs, complete in all respect, GI earth wire protected by 15mm bore (medium grade) galvanized iron pipe and other end connected with main switch board or earthing test point as directed, including necessary earth work and disposal of spoil to a distance not exceeding 50m and necessary testing on completion inclduing taking down old one complete all as specified and as directed.

Supply, fix and testing smart digital 10-levels % indicator stage type with mechanism to detect & display the Water level in an underground/overhead tank, corrosion & maintenance free magnetic sensors, buzzer alarm sounds on low & high levels Including necessary fittings, complete all as specified and as directed.

S & F 3 core PVC insulated and sheated , un armoured multi stranded copper conductor cable of size 2.5 Sqmm, complete all as specified and as directed.

Supply and lay double wall corrugated (DWC) high density polythene pipes having corrugation on the outer wall and plain surface on the inner wall confirming to ISI 14930 ( Part I and II) for protection of underground cables of size 40mm outer dia with all fittings. laid in trenches/road/nallah or fixed along wall. poles or laid under floor (including cutting floor/road and making good to match with existing adjoining surface etc for cable protection, complete all as specified and as directed. (Note :-Excavation and earth work shall be measured and paid separately)

M&L for road cutting for laying of pipe not exceeding 1.00m below ground level and getting out excavated material and removing the same to a distance not exc. 50m, complete all as specified and as directed.

M & L for plain cement concrete (1:3:6) type C-2 (using 40mm graded crushed stone aggregate) for making good to disturbed surface of road etc., complete all as specified and as directed.

Supply and laying/fixing polyprolene random pipe (PP-R) PN 10 in three layer incl fixing of all fittings made out of PP –R as required for fixing to wall or laid in floor/ground/trench for 90mm outer dia, complete all as specified and as directed.

All as per item No 53 here in above but 63mm dia, complete all as specified and as directed.

All as per item No 53 here in above but 50mm dia, complete all as specified and as directed.

All as per item No 53 here in above but 32mm dia, complete all as specified and as directed.

All as per item No 53 here in above but 25mm dia, complete all as specified and as directed.

S & F in repair gun metal gate valve (screwed) with iron wheel head, screwed both ends for iron/PPR pipe of size 50mm dia, complete all as specified and as directed. Make: Zoloto/Leader/Scud/Kirloskar

All as per item No 58 here in above but 32mm dia, complete all as specified and as directed.

All as per item No 58 here in above but 25mm dia, complete all as specified and as directed.

All as per item No 58 here in above but 20mm dia, complete all as specified and as directed.

M & L for repairs to GI pipe line by cutting the damaged portion, threading both sides, insertion of same bore GI pipe connecting piece, testing for leak proof in position, complete all as specified and as directed. (Note : Excavation & earthwork shall be paid & measured separately)

Supply and fixing flanges made out of PPR with O ring with nuts, bolt and rubber gasket suitable for 90mm bore, complete all as specified and as directed.

Supply and fixing GI flange for 80mm bore pipe, heavy duty with suitable size nuts and bolts and double washers including 6mm thick rubber gasket including taking out unserviceable, complete all as specified and as directed.

Supply and fixing male threaded socket of PPR suitable for 63mm bore, all complete as specified and as described.

All as per item No 65 here in above but 50mm, complete all as specified and as directed.

All as per item No 65 here in above but 32mm, complete all as specified and as directed.

All as per item No 65 here in above but 25mm, complete all as specified and as directed.

All as per item No 65 here in above but 20mm, complete all as specified and as directed. Note: An amount of Rs.87825.00 on account of credit schedule for schedule 'A' part - II shall be deducted from the total amount of BOQ to arrive at the contract sum.

MAA TARA TRADING

MAJUMDER ENTERPRISE

M/S. VINITA CONSTRUCTION

M/S SARDAR MAL NAHATA

M/S ANNI ENTERPRISE

M/S ANIL KUMAR BAUL

M/S ASHOK ENTERPRISE