REPAIR TO PVC WATER TANKS INCLUDING PLUMBING SANITARY FITTINGS FLOORING TILLING AND ALLIED OTM ZONE B KP QTRS AT SEVOKE MIL STN UNDER GE SEVOKE ROAD

Amount

Taking down cement plaster on brick wall/concrete surfaces etc including racking out joints hacking for key scrubing down with water etc of any thickness including Dado any description and necesarry scaffoldings complete all as directed

Taking up or down 15 mm bore steel tubing and connections including cleaning for re-fixing or removal complete all as directed

Taking up or down 20 mm bore steel tubing and connections including cleaning for re-fixing or removal complete all as directed

Taking up or down 25 mm bore steel tubing and connections including cleaning for re-fixing or removal complete all as directed

Taking up or down CPVC Pipe of any description from wall or ceiling etc complete all as specified.

Demolition of brick coba/cement concrete (unreinforced) from existing roof/terrace etc and also removing/taking down of existing water proofing treatment of any thickness in any position including cleaning the surfaces of roof etc with wire brush complete and removing the retreived debris in low lying area complete all as directed.

Dismantling PVC water tank of capacity exc 500 Litre and not exceeding 1000 Ltr complete all as directed

Dismantling PVC water tank of capacity exc 250 Litre and not exceeding 500 Ltr complete all as directed

Dismantling floor hearth or wall tiling including cement mortar bedding ( but not backing ) removing serviceable tiles to store and rubbish off the premises etc complete all as directed

Demolition of brick work built in cement mortar including all quoins, arches, pillars etc complete all as directed

Demolition of reinforced cement concrete work (RCC water tank) of any description and in any position not otherwise specifically provided for all as directed.

M&L for brick work with sub class 'B' bricks using old size bricks straight or curved on plan exc 6 mtr mean radius built in CM 1:6 complete all as specified and directed

M&L for brick work with sub class "B" bricks straight or curved on plan to any radius in half brick thick walls built in CM 1:4 complete all as specified and directed

M&L for 10mm thick rendering on other than fair faces of brick or concrete surfaces in CM 1:6 finshed even and smooth without using extra cement complete all as specified and as directed

M&L for rendering 5 mm thick in CM 1:3 as in ceiling finished even and smooth without using extra cement complete all as specified.

M&L for 20 mm thick rendering in CM 1:4 in two layers of 10mm each using water proofing compound in top layer only including finishing the surface even and fair(WPC shall be measured and paid seperately) complete all as specified and as directed

M&L for preparation of newly plastered surfaces of walls and applying two coats of oil bound distemper over a coat of primer and 1mm thick of wall care putty complete all as specified and directed.

M&L for applying three coats of white wash on new ceiling surface including preparation of surface, complete all as specified and directed.

M&L for preparation of new plaster surface of walls and appling two coats of weather coat acrylic exterior paint (first quality) of required shade over a coat primer over and including 1 mm thick wall putty complete all as specified and directed.

Supply only water proofing compound (integral) complete all as specified and directed.

M&L for cleaning of water service tank (inside area only) of any description, including scraping, scrubbing (without damaging tank surface) deposits / scales, algae formations, silt /sticky matters adhering tank surface and washing inner tank surface with approved grade of chemicals complete, of capacity exc 250 liters n.exc 500 liters complete all as directed.

M&L for cleaning of water service tank (inside area only) of any description, including scraping, scrubbing (without damaging tank surface) deposits / scales, algae formations, silt /sticky matters adhering tank surface and washing inner tank surface with approved grade of chemicals complete, of capacity exc 500 liters n.exc 1000 liters complete all as directed.

M&L for cleaning of water service tank (inside area only) of any description, including scraping, scrubbing (without damaging tank surface) deposits / scales, algae formations, silt /sticky matters adhering tank surface and washing inner tank surface with approved grade of chemicals complete, of capacity exc 1000 liters n.exc 2000 liters complete all as specified as directed. Note:- For item No. 21 to 23 (i) On completion of cleaning of tank, date of cleaning to be marked/written clearly on tank surface in an accessible location with letters or figures n.exc 5 cm high viz (as per example) "TANK CLEANED ON………….". "NEXT DUE ON ............................" (ii) Cleaning of tank to be carried out in accordance with the schedule published for the purpose of cleaning of tank. (iii) During cleaning of the tanks, any vegetation and growth on the roof slab shall also be removed by the Contractor and the quoted rates are deemed to include for the same.

S&F 15 mm bore medium grade galvanized steel water tubing with all fittings and fixed to wall/ceiling or laid in floor complete all as specified and directed.

S&F 20 mm bore medium grade galvanized steel water tubing with all fittings and fixed to wall/ceiling or laid in floor complete all as specified and directed.

S&F 25 mm bore medium grade galvanized steel water tubing with all fittings and fixed to wall/ceiling or laid in floor complete all as specified and directed

Re-fixing only 15 mm bore tubing with all fittings and fixed to wall/ceiling or laid in floor complete all as directed.

Re-fixing only 20 mm bore tubing with all fittings and fixed to wall/ceiling or laid in floor complete all as directed.

Re-fixing only 25 mm bore tubing with all fittings and fixed to wall/ceiling or laid in floor complete all as directed.

Supplying and laying of 20mm dia bore CPVC pipes SDR 11 & Plain CPVC SDR 11 fittings on walls/ceiling or laying in floors complete all as specified. complete all as specified and directed

Supplying and laying of 25mm dia bore CPVC pipes SDR 11 & Plain CPVC SDR 11 fittings on walls/ceiling or laying in floors complete all as specified and directed

S&F 20 mm Brass Elbow for CPVC Connection complete all as specified and directed

S&F 20 mm Brass Elbow (3/4 X ½) for CPVC Connection complete all as specifie and directed

S&F 20 mm Brass Tee in CPVC Connection complete all as specified and directed

S&F 20 mm Male Brass Threaded Adaptor (MTA/ MBTA) ) for CPVC Connection complete all as specified and directed

S&F 20 mm Female Brass Threaded Adaptor (FTA/ FBTA) in CPVC Connection complete all as specified and directed

S&F 20 mm Brass Union in CPVC Connection complete all as specified and directed

M&L for cutting out cracks to V-section in existing roofs or terracing, cleaning out, wetting, grouting with cement and sand slurry 1:3 complete all as specified and directed

M&L for cement concrete type D2, 1:4:8, using 40 mm graded aggregate in basement for foundations to PVC water tank, filling etc complete all as specified and as directed.

M&L for 25 mm thick PCC (1:2:4) type B-0, using 12.5mm graded stone aggregate as in levelling course over RCC roof surface to achieve required slope including making rounded or chamfered on edges mixed with WPC @2% by weight of cement, complete all as specified and directed. Note : WPC shall be measured and paid separately as supply only.

M&L for 15mm thick rendering in CM (1:4) over RCC roof surface to receive roof treatment finished even and smooth without using extra cement mixed with water proofing compound as per manufacturers instruction (WPC shall be measured and paid separately).

M & L for surface preparation including cleaning the surface , treating of construction joints , filling of honey combs with polymer modified mortar (cement:sand: approved polymer(asian/beger) for filling cracks up to 3mm use approved crack seal, bigger cracks, damaged potions and hollow areas must be repaired with polymer modified cement mortars complete as specified and as directed.

M&L for angle fillets all around the periphery of the wall with polymer modified mortar using approved polymer of make Asian/Beger/Dr Fixit.

M&L for applying water proofing treatment to slab area with damp proof ultra, fiber reinforced elastomeric liquid applied water proofing membrane of apporoved make(Asian/Berger/Dr Fixit) . It is formulated with PU hybrid polymers and reinforcing acrylic fibers. Upon curing, it forms a thick, seamless, durable membrane thus offering ultimate water proofing. First do the self priming of smart care damp proof ultra of approved make after completing all necessary surface preparation, coving using approved smart care repair polymer, water pond test, etc complete as per manufacturers specifications and application methodology. The same coating shall be applied in two coats with 4-6 hrs intervals between the coats. Ensure that the product is applied at least 6 inches inside the drain pipe. The coating shall have a 350%-400%elongation with tensile strength of 2.9 Mpa and must be extended up to 300 mm over the slab area and apply parapet to parapet to envelop the entire biulding. Effectively bridges cracks up to 2.5 mm at 650 microns and provides surface temperature reduction up to 10 degree C. Complete all as specified and directed as per manufacturers instruction and submit roof water proofing warranty certificate of 8 years from the manufacturer.

Treatment of sunken floor slab compraises of the following specifications and all as specified.:

(i) M&L for cleaning the sunken/ lowered portion of RCC slab surface (including vertical total depth plus skirting height ) of floors by wire brush, chisel out any mortar sticking to the surface and brooming completely . 40mm thick avg PCC 1:2:4 type B-0 using 12.5mm graded aggregate as in padding conc to achieve proper slope including 50mm PVC pipe and cutting holes in bricks or RCC wall for spout.

(ii) Rendering of uneven surfaces with 6mm thick CM 1:4 mixed with integral water proofing compound @3% by wt of cement consumed. Fill it with water and check dampness and seepage. Where dampness/ seepage is noticed , nozzles shall be fixed and grouting carried out (WPC shall be measured and paid separately )

(iii) All junctions points of side wall where CI/GI pipes are passing through shall be sealed with epoxy putty

(iv) After drying putty , wash the slab and sides of sunken portion with water and make it clear and clean.

(v) M&L for applying two coats of polymer modified cementious water proof coating as per manufacturs instruction to bottom and vertical sides up to finished floor level +100mm height . The thickness of two layer shall be 1mm . When the second layer is still sticky, coarse sand spray shall be carried for the vertical and bottom surface of the sunken portion all as specified and directed.

(vi) Plaster the bottom and sides up to bottom of the skirting with minimum 20mm thick CM 1:4 mixed with integral water proofing compound 3% by wt of cement consumed as per menufacturer's specification including rounding of corners and junctions sloping towards spout ( WPC Shall be measured & paid separately)

Note :- Test the water proofed area (ponding test ) by filling water for at least 72 hours and tested for leakage seepage and to the entire satisfaction of GE . Test shall be done in presence pf reps of PMG and record for each sunken slab shall be maintained. The treatment shall be carried out by authorised applicators of chemicals. Cost of testing in inclued in the rates quoted above.

(vii) All pipes laid in sunken portion shall be covered with 50mm thick PCC 1:3:6 all round after painting with anticorrosive paint (Black Japan)

(viii) Two nos 50mm bore GI medium grade 600mm long spout shall be provided through external wall to drain out accumulated water.

Materials and labour for 60mm thick Machine pressed precast concrete interlocking paver block with grey cement and pigment any shape and size conforming to IS 15658- 2006 M-35 grade, laid as directed to any shape. Complete all as specified and as directed

M&L for surface preparation including cleaning the surface, treating of construction joints, filling of honey combs with polymer modified mortar (cement : sand: approved ploymer (asian/beger) for filling cracks up to 3mm use approved crack seal, bigger cracks, damaged potions and hollow areas must be repaired with polymer modified cement mortars complete as per manufacturer instructions. Manufacturer:- ASIAN/ BERGER/ SHALIMAR.

M&L for Roof treatment by application of non toxic polyurethane modified acrylic based single component (P U Roof Coat) solvent free, cold applied polyurethane modified elastomeric waterprooofing membrane with excellent UV resistant capasity as per ASTM D6083 [a water based 100% acrylic elastomeric emulsion polymer latex coating used as protective coating for roofs] after preparing the surface by cleaning and repairing the roof cracks by cement & sand mortar (1:4), with antishrinkage mortar (to be paid separately) if any, apply two coats along with a priming coat (tow coats of P U Roof Coat and one coat of primer coat compatible with main product as per manufactures specification) and reinforced with 20 gsm Geotextile Fleece, including the cost of primer coat and base preparation, tools & palnts complete as per manufacturer instructions. Manufacturer:- ASIAN/ BERGER/ SHALIMAR. Note:- (i) Application of roof treatment shall be done by the authorized applicator of manufacturer as approved by GE. (ii) Contractor shall be obtained the Gaurantee from the manufacturer for 10 years and submit to the department alongwith the Garuntee as specified in CA.

Disconnecting existing tanks 500 ltrs capacity, setting aside (or lowering if required) for repairs, cleaning, etc. and hoisting if required econnecting and re-fixing in position incl cleaning.

Disconnecting existing tanks 1000 ltrs capacity, setting aside (or lowering if required) for repairs, cleaning, etc. and hoisting if required econnecting and re-fixing in position.

S&F rotational moulded polyethylene water storage tanks, triple layered(ISI marked) of 500 ltrs capacity(cylinderical vertical with closed top) hoisted and fixed in position all as specified in SSR Part-I, including provision of necessary fittings for connection the overflow, drain out, inlet and outlet pipes, complete all as specified and as directed.

S&F rotational moulded polyethylene water storage tanks, triple layered(ISI marked) of 1000 ltrs capacity(cylinderical vertical with closed top) hoisted and fixed in position all as specified in SSR Part-I, including provision of necessary fittings for connection the overflow, drain out, inlet and outlet pipes, complete all as specified and as directed.

S&F in repairs Ball brass valves of size 25 mm bore high pressure, the polythene float and fly nut, screwed for iron pipe or brass frame etc, complete al as specified and directed.

S&F in repairs Ball brass valves of size 20 mm bore high pressure, the polythene float and fly nut, screwed for iron pipe or brass frame etc, complete al as specified and directed.

S&F brass ball valves of size 25mm bore high pressure polythene float & fly nut screwed for iron pipes or brass ferrule & fixed complete al as specified and directed.

S&F brass ball valves of size 20mm bore high pressure polythene float & fly nut screwed for iron pipes or brass ferrule & fixed complete al as specified and directed.

S&F for Gun metal, gate valves, with iron wheel head screwed both ends for iron pipes & fixed for 20mm complete al as specified and directed.

All as per item No 57.00, but 25mm

M&L for RCC (Nominal mix) type B1 (1:2:4) using 20mm graded stone aggregate on walls, beams & columns in floor, roof landing, balconies, canopies, deck slabs etc including necessary from work complete al as specified and directed.

M&L for non skid coloured ceramic tiles of 7 to 8 mm thick (square/rectangular) area exceeding 0.11sqm but not exceeding 0.18 sqm in floor etc set and jointed in neat cement slurry and pointed in coloured cement to match with the shade of tiles over and including 15 mm thick screed bed or beding layer of CM 1:6 for laying of floor finises complete all as specified and directed

M&L for non skid coloured ceramic tiles of 7 to 8 mm thick (square/rectangular) area exceeding 0.18sqm but not exceeding 0.38 sqm in floor etc set and jointed in neat cement slurry and pointed in coloured cement to match with the shade of tiles over and including 15 mm thick screed bed or beding layer of CM 1:6 for laying of floor finises complete all as specified and directed

M&L for non skid coloured ceramic tiles of 7 to 8 mm thick (square/rectangular) area exceeding 0.18sqm but not exceeding 0.38 sqm in skirting etc set and jointed in neat cement slurry and pointed in coloured cement to match with the shade of tiles over and including 10 mm thick rendering backing layer in CM 1:4 for laying of floor finises complete all as specified and directed

Material and labour for light shade vitrified ceramic tiles 10mm thick (square/rectangular) polished ,area of each tile exceeding 0.36 sqm in floors etc,set and jointed in neat cement slurry and pointed in white or coloured cement to match the shade over and including 15mm thick screed bed or beding layer in CM 1:6 complete all as specified and directed.

Material and labour for light shade vitrified ceramic tiles 10mm thick (square/rectangular) polished ,area of each tile exceeding 0.42 sqm but not exceeding 1.00 sqm in floors etc,set and jointed in neat cement slurry and pointed in white or coloured cement to match the shade over and including 15mm thick screed bed or beding layer in CM 1:6 complete all as specified and directed.

M&L for glazed coloured ceramic tiles of size 450x350x 7mm thickness in vertical surfaces set and jointed in neat cement slurry and pointed in coloured cement to match with the shade of tiles on wall over and including 10 mm thick rendering as backing layer in CM 1:4 complete all as specified and directed.

Materials and labour for prepolished chequered cement concrete tiles 30cm x 30 cm size, 25 mm thick (with grey cement and pigments), set, jointed and pointed in neat cement slurry in floor with grey cement mixed with pigments to match with the colour of tiles, laid over and including 20 mm thick screed bed in CM 1:6, complete all as specified and directed.

M&L for PVC (SWR) floor trap/nahani trap, plain with grating including jointing with solvent cement complete all as specified and directed.

S&F in repairs vitreous china EWC white with 'P' or 'S' trap front or back inlet any pattern excluding flushing cistern & flush pipe but including plastic water closet seat black closed pattern with flat bottom and cover and hinging device complete all as specified and directed.

S & F in repairs flushing cistern, 10 Ltrs. Capacity, PVC valveless, syphonic action type with dual flushing system, low level,white with inlet, ball valve,float and handle including brackets, flush pipe of polyethylene of low or high density or PVC, 32mm dia, complete all as specified and directed.

S&F PVC connection pipe 15 mm dia, 450 mm long with PTMT nut complete all as specified and directed

Supply & fixing wall mounted hot and cold water mixer with connecting lugs and wall flanges , cast copper alloy, chromium plated complete all as specified and directed.

S&F Health faucet (ABS Body) mild steel chromium plated suitable for 15 mm dia pipe with 1.25 metre long flexible tube and ABS wall hook including making connections and fixed in position complete all as specified and directed.

S&F in repair sheet glass shelf assembly consisting of 5.5 mm thick sheet glass shelf 12cm wide with chromium plated bracket guard and railing 60cm long complete all as specified.

S&F soap dish Chromium plated complete all as specified and directed

Supply and fixing toilet paper holder Chromium plated as per specified.

S&F in repairs brass chromium plated, shower rose, 125mm size, complete all as specified and directed.

S&F towel rail 600mm long of PTMT (min weight 190 grams) fixed with and incl chromium plated brass screws and wooden / plastic cleats, complete all as specified and directed.

S&F 15mm bore bib tap cast copper alloy with crutch or butterfly handle, fancy type, chromium plated, screwed iron pipe or for brass ferrule complete all as specified and directed.

S&F in repair of CP brass wall mixture 3 in 1 system with provision forhead shower with long bend pipes and wall flangs with 125mm size chromium plated shower rose with swivel joint and matching CP arm complete all as specified and directed.

S&F in repairs CP brass overhead shower 80mm dia round shape with and including CP brass shower arm 240mm long with wall flange complete all specified and directed.

S& F in repair 15 mm bore Angle stop cock (male or female thread) cast copper alloy, chromium plated fancy type with capstan heads, wall flange screwed down screwed for iron pipe complete all as specified and as directed

S& F in repair Concealed 15 mm bore Angle stop cock (male or female thread) cast copper alloy, chromium plated fancy type with capstan heads, wall flange screwed down screwed for iron pipe complete all as specified and as directed

S&F in repairs 15 mm bore Pillar tap cast copper alloy with capstan heads chromium plated fancy type screwed down high pressure with or without letter hot or cold with long screwed shank and flynuts screwed for iron pipe complete all as specified and as directed

S&F Framed work such as grills, gratings, etc.. with ends of bars shouldered and/or riveted, or forged into spikes; framed guard bars; barred iron doors; ladders; framed balusters; walk ways; railings; framework of water tanks and similar work conforming to Fe.290.Gde-E-165 complete all as specified and directed

M&L for applying two coat of synthetic enamel paint on newly steel surfaces exceeding 10 cm in width or girth over one coat of red oxide primer after preparation of surface complete all specified and directed

Taking down eaves gutters and rainwater pipes (any size or pattern), including all fittinges, heads, shoes, bends, swan-necks etc including cleaning or refixing or removal to store (measured overall as fixed along the centre line over fittings and accessories)

S&F in repairs PVC (SWR) 110 mm bore pipes single socketed in any length with rubber ring joints (including proper MS/SS clamps in an 1-1.5 m interval to support) fixed in walls or floor complete as specified and as directed by engr-in-charge

S&F PVC (SWR) bends any radius suitable for 110mm bore pipe provided with access door complete all as specified and directed.

S & F 110 mm bore PVC (SWR) branch piece single (Single `Y') equal or unequal with access door complete all as specified & directed.

S & F 110 mm bore PVC (SWR) branch piece double (Double `Y') equal or unequal with access door complete all as specified & directed.

S & F 110 mm bore PVC (SWR) Vent cowl complete all as specified & directed

S & F 75 mm bore PVC (SWR) Soil, waste and vent pipes single socketed in any length with rubber ring joints fixed to walls complete all as specified & directed.

S & F 75 mm bore PVC (SWR) bends of any radius complete all as specified & directed.

S & F 75 mm bore PVC (SWR) branch piece double (Double `Y') equal or unequal with access door complete all as specified & directed.

MARWA CONSTRUCTION

M/S TARAN INFRACON

LIBERAL ENGINEER CONSTRUCTION

M S ALOK SAHA

M/S S.B. CONSTRUCTION

D.D. BROTHERS

SHRI JIBANDHAN PAUL