CERTAIN REPAIR TO RCC ROOF, SUNKEN PORTION, PLASTER AND ALLIED SERVICES UNDER AGE B/R-I OF GE (S) MAMUN

Amount

Demolition of brickwork or stone/boulder masonry built in cement mortar including all quoins, arches, pillars etc., but excluding ashlar facing, dressed stone work and precast concrete articles, complete all as specified and directed.

Demolition of cement concrete (unreinforced) or tiling etc in ground floors and pavings n exc 15 cm thickness (below or above ground level) complete all as specified and directed.

Demolition of cement concrete (unreinforced) on roof floors other than ground floors complete all as specified and directed.

Demolition of cement concrete (Re-inforced) of water tanks or any description and in any position not otherwise specifically provided for complete all as specified and directed.

Taking down cement plaster/wall tiles including backing etc from brick/stone walls / concrete surfaces including raking out joints, hacking for key , scrubbing down with water etc complete all as specified and directed

M&L for Brickwork with Fly Ash Bricks (old size), straight or curved on plan exceeding 6 metre mean radius built in cement sand mortar 1:6 complete all as specified and directed.

Taking up or down steel tubing of 15mm bore pipe and connection laid in trenches or floors or fixed to walls and including cleaning for refixing or removal to store with all fittings, complete all as specified and directed.

Supply & Fixed steel water tubing 15 mm bore medium grade galvanised with all fittings (ISI marked) fixed complete to walls, ceiling and floors complete all as specified and directed.

Fixing only old steel tubing 15 mm bore and connections in new or old position (walls, ceiling, floor etc.) complete all as specified and directed. Note: Old serviceable pipes retrived by taking down shall be re-used.

Taking up or down steel tubing of 20mm bore pipe and connection laid in trenches or floors or fixed to walls and including cleaning for refixing or removal to store with all fittings, complete all as specified and directed.

Supply & Fixed steel water tubing 20 mm bore medium grade galvanised with all fittings (ISI marked) fixed complete to walls, ceiling or laid in floors complete all as specified and directed.

Fixing only old steel tubing 20 mm bore and connections in new or old position (walls, ceiling, floor etc.) complete all as specified and directed. Note: Old serviceable pipes retrived by taking down shall be re-used.

Disconnecting existing PVC tanks, setting aside (or lowering if required) for repair, cleaning and removing all scale and dirt by using bleaching powder from tank and from mouth of cirulating pipes etc and hosting if required reconnecting and refixing in position of capacity 500 ltrs and making good for running of water from tank to inside of bldgs and complete all as specified and directed.

Cleaning and removing all scale and dirt etc by using blenching powder from water tank of Capacity 500 litrres and from mouth of circulating pipe etc. complete all as specified and directed.

Cleaning and removing all scale and dirt etc by using blenching powder from water tank of Capacity 1000 litrres and from mouth of circulating pipe etc. complete all as specified and directed.

S&F in repair Rotational moulded polyethlene water storage tanks three layers of 500 ltrs capacity ISI marked (cylindrical vergical with closed top) hoisted and fixed in position all as specified in SSR Part I including 20mm thick Ball valves high pressure of PTMT with epoxy coated Aluminium rod & high-density plastic bal screwed for iron pipe and fixed. (Minimum weight 20mm-210 gms including refixing of inlet, outlet & over flow pipe etc complete all as specified and as directed.

S & F in repair Rotational moulded polyethlene water storage tanks three layers of 1000 ltrs capacity ISI marked (cylindrical vergical with closed top) hoisted and fixed in position all as specified in SSR Part I including 25mm thick Ball valves high pressure of PTMT with epoxy coated Aluminium rod & high-density plastic bal screwed for iron pipe and fixed. (Minimum weight 20mm-210 gms including refixing of inlet, outlet & over flow pipe etc complete all as specified and as directed.

S&F 20mm Ball valves high pressure of PTMT with epoxy coated Aluminium rod & highdensity plastic ball screwed for iron pipe and fixed. (Minimum weight 2 0 m m - 210 gms complete all as specified and directed.

S&F in repairs Stop valve /Angle valve (ISI Marked), fancy type, chromium plated with long shank and cup screwed down, high pressure with crutch or butterfly handle, screwed both ends for iron /PVC pipe or for unions of 15 mm bore andcomplete all as specified.

S&F in repairs 110 mm bore PVC (SWR) pipes single socketed in any length with rubber ring joints fixed to walls cpmplete all as specified and directed. Note:- The measurement of pipes shall be net as fixed between the fittings including short lengths, without any allowance for cutting and waste or for the portions of pipes entering the sockets of the adjacent pipe or fitting. Fittings and accessories such as bends, branches, sockets etc. shall be enumerated afterwards and measured separately. Rates include for all necessary extra joints, cutting and waste.

Supply & fixed, 110 mm bore PVC (SWR) bends any radius, with or without excess door complete all as specified and directed.

Supply & fixed , 110 mm bore PVC (SWR) branch piece, with or without excess door, single (Single Y) equal or unequal.with excess door complete all as specified and directed.

Supply & fixed , 110 mm bore PVC (SWR) branch piece, with excess door, double (double Y) equal or unequal, with or without excess door.

Supply & fixed, 110 mm bore PVC (SWR) junction single, (Single T) equal or unequal, with excess door complete all as specified and directed.

Supply & fixed, 110 mm bore PVC (SWR) junction double, (double T), equal or unequal, with excess door complete all as specified and directed.

Supply & fixed, 110 mm bore PVC (SWR) vent cowl complete all as specified and directed.

S&F in repairs 110 mm bore PVC (SWR) pipes single socketed in any length with rubber ring jointslaid in trenches or in floors cpmplete all as specified and directed. Note:- The measurement of pipes shall be net as fixed between the fittings including short lengths, without any allowance for cutting and waste or for the portions of pipes entering the sockets of the adjacent pipe or fitting. Fittings and accessories such as bends, branches, sockets etc. shall be enumerated afterwards and measured separately. Rates include for all necessary extra joints, cutting and waste.

S&F in repairs 75 mm bore PVC (SWR) pipes single socketed in any length with rubber ring joints laid in trenches or in floors cpmplete all as specified and directed. Note:- The measurement of pipes shall be net as fixed between the fittings including short lengths, without any allowance for cutting and waste or for the portions of pipes entering the sockets of the adjacent pipe or fitting. Fittings and accessories such as bends, branches, sockets etc. shall be enumerated afterwards and measured separately. Rates include for all necessary extra joints, cutting and waste.

S&F in repair, 75 mm bore PVC (SWR) pipes single socketed in any length with rubber ring joints fixed to walls complete all as specified and directed. Note:- The measurement of pipes shall be net as fixed between the fittings including short lengths, without any allowance for cutting and waste or for the portions of pipes entering the sockets of the adjacent pipe or fitting. Fittings and accessories such as bends, branches, sockets etc. shall be enumerated afterwards and measured separately. Rates include for all necessary extra joints, cutting and waste.

Supply & fixed, 75 mm bore PVC (SWR) bend any radius, with or without excess door complete all as specified and directed.

Supply & fixed, 75 mm bore PVC (SWR) branch piece, single (Single Y) equal or unequal, with excess door complete all as specified and directed.

Supply & fixed, 75 mm bore PVC (SWR) branch piece, double (double Y) equal or unequal with excess door complete all as specified and directed.

Supply & fixed, 75 mm bore PVC (SWR) junction single, (Single T), with excess door, equal or unequal complete all as specified and directed.

Supply & fixed, 75 mm PVC (SWR) junction double, (double T), with excess door, equal or unequal complete all as specified and directed.

M&L for rendering 12 mm thick plaster on Fair faces brick work and concrete surfaces of wall in CM ,1:4 finished the surface even and smooth without using extra cement, mixing and including WPC @ 200ml/bag of cement, complete all as specified and directed.

Taking down cement plaster and decayed concrete of any description, upto tripple storey of building, from roof projection, chajja etc and making good the decayed portion with cement mortar 1 :3 mixed with water proofing compound as per manufacturers instruction or PCC 1:2:4 type B-0 (using 12.5mm graded crushed stone aggregate) including necessary form work and finally finished the surface with 15mm thick cement plaster in CM 1:3, complete all as specified and directed.

M&L for 75 mm thick cement concrete 1:3:6, type C-1 (using 20mm graded aggregate) as in plinth protection finished even and smooth using extra cement, forming joints and filling with mixture of paving bitumen & sand in 1:3 complete all as specified and directed.

M&L for preparation of newly plastered external surfaces of walls applying two coats of cement based paint, white or tinted including curing before and after paint complete all as specified and directed.

M&L for preparation of old surfaces of walls of any description including washing down, rubbing, brooming down with wire brush, scrapping down smoke, roots, moulds, salts and treading oil and greasy spots, including taking down existing grass, vegetation, small trees and making good the disturbed surface with cement mortar 1:3 and applying one coat of cement based paint, white or tinted including curing before & after paint complete all as specified and directed.

M& L for PCC 1:2:4 type B-1 using 20mm graded crushed stone aggregate as in coping, bed plates benching,floor by maintaing required gradient / undulation etc slightly rounded or chamferred angles and throating, complte all as specified and directed.

M&L for rendering 15 mm thick plaster in cement mortar 1:4 mixed with intergral water proofing compound and applying 75 mm thick padding and junction coved filling of PCC M-20 Nominal Mix (1:1.5:3) using 12.5mm graded stone aggregate on the junction of floor and wall the surface shall then be cured and allowed to dry, apply Epoxy Resins Coating, polymer Modified Cementation coating like brush bond of fosroc, pidilite and bostic as per manufacturer's instructions both on floor as well as on wall complete all as specified and directed.

Supply only liquid water proofing compound conformimg to relevant IS complete all as specified and directed.

M&L for Cement concrete 1:5:10 type E-2 (using 40mm graded crushed stone aggregate) as in mass filling in sunken slab of toilets, complete all as specified.

Supply & fixed in repair, Vitreous china squatting pan of pattern, long pan, 'Orissa pattern', size 580 x 440 mm white with integral foot rests (excl flushing cistern and flush pipe) but including provision concrete bedding CI floor trap etc complete all as specified and directed.

Supply & fixed, Vitreous china wash down water closet pan (Pedestal pattern) white (excl fixing bolts, flushing cistern and flush pipe) but including plastic water closet seat, white, closed pattern with flat bottom and cover and mild steel CP or aluminised hinging device complete all as specified and directed.

S&F in repairs CP Brass Hand Shower (Health Faucet) with 8 mm dia,1.2 m long Long Flexible Tube Chrome Finish & Wall Hook for Water closet complete all as specified and directed.

S&F in repairs PVC flushing cistern, 10 litre capacity, low level, push botton type dual flush type PVC valveless, syphonic action type, white, with inlet, ball valve, float and handle incl brackets & flush pipe PVC 32 mm dia complete all as specified and directed.

S&F in repairs Stop valve (ISI Marked), cast copper alloy screwed down, high pressure with crutch or butterfly handle, screwed both ends for iron pipe or for unions of 20 mm bore and fixed.

S&F in repair Bib tap 15 mm bore long body, Brass CP, fancy type (long shank ), with crutch or butterfly handle screwed down screwed for iron/PVC pipe or for brass ferrule and fixed, complete all as specified and directed.

S&F in repairs PVC (SWR) floor trap, dia of outlet in 75 mm, plain excluding grating, but including jointing with solvent cement complete all as specified and directed

S&F PVC grating square, 150 mm (Hinge pattern and with or without hole cpmplete all as specified and directed.

M&L for non-skid ceramic jointless coloured tiles, 7 to 8 mm thick (square/ rectangular) area of each tile exc 0.11 sqm but nexc 0.18 sqm in floor etc set & jointed in neat cement slury & pointed in white or coloured cement mixed with pigment to match, laid over and including 15mm thick screed layer in cement mortar 1:6, complete all as specified and directed .

M&L for glazed ceramic coloured tiles of size 450mmx300mm, thickness 7mm as in vertical surfaces such as skirting, dado, etc., set and jointed in neat cement slurry and pointed with coloured cement to match, laid over and including 10mm thick rendering in cement mortar 1:4, complete all as specified & directed.

Cleaning/clearing of sewage line (including manholes) 100mm to 150mm bore of any description, underground at any depth, removing any type of blockage including desilting, descaling & dechocking of drains as well as manholes and depositing the sludge in a pit (including digging of pit) not less than 100 metres away from the site of cleaning and covering the sludge with layer of 2.5cm thick layer of earth and spraying unslacked lime on the pit and making sewage line smooth functional complete all as specified and directed.

Taking down existing roof treatment of any description incl mud phuksha or PCC padding of any description, any No. of layers including removal to debries in low laying area exc 1.00 KM but n exc 2.00 KM complete all as specified and directed.

S&F Wire netting made of stainless steel wire 0.71 mm dia with size of mesh 25mm fixed with tinned tacks of stainless steel wire staples complete all as specified and directed.

M&L for cement concrete 1:1.5:3 type B-0 (using 12.5 mm graded stone aggregate) as in leveling course on existing roof, rounded and chamfered on edges, mixed with & including WPC @200ml/ cement bag of 50 Kg complete all as specified and directed.

M&L for APP modified roof treatment over existing non-accessible RCC roof slab / chajjah / canopy / parapet wall to be executed through approved applicator of the membrane manufacturer with following specifications complete all as specified and directed :- (a) Cleaning the top surface of RCC roofing properly with water complete. (b) Applying Oil bound bitumen primer @ 0.30 liter/Sqm manufacture by the same agency as that of APP with a density 0.87-0.89 Kg per liter at 25 degree centigrade on prepared surface. (c) Laying of membrane not less than 3.0 mm thick APP modified water proofing membrane weighing not less than 3.60 Kg/Sqm reinforced with non woven polyster fiber weight not less than 160 Gms/Sqm using butane torch by torch application with 10 Cm side laps and 15 Cm end lap complete. (d) APP membrane shall be laid using butane torch by Torch application with minimum 10cm side overlap and 15cm end lap. (e) Top of membrane shall be provide with solar reflective bituminous aluminum paint @ 0.1 Kg /Sqm as prescribed by manufacture of membrane. (f) APP Membrane shall be sticked inside parapet where available by chase cutting and sealed with PCC (1:2:4) type B-0 complete.

M&L for Strengthening and repair to RCC structural members such as column, beams, fins, Facia, chajjas & RCC slab as per the following precedence of application including necessary formworks and scaffolding if required upto 7 m height including dismantling loose/cracked plaster/concrete portion from RCC surface in any thickness as under complete all as specified and directed:- (a) Taking down the damaged/ loose concrete over existing structure and then making holes to existing structure to recieve slurry, Injecting and grouting to arrest leakage by using polymer based liquid water proofing compound mixed with cement @ 400 mili litre per 50 kg bag of cement in the water to form slurry, pumping the slurry through these holes one by one by using pressure pump till bleading the slurry and leave the surface for 24 hrs. (b) Applying one coat of steel bar coat of rust preventive PH RB-167/rust free/SHIELDOXY including preparing, cleaning of corroded steel all as per manufacturers instructions complete including providing additional reinforcement properly binded, overlap with the existing reinforcement and maintaining sufficient developement length/Anchorage length at the junctions to be inserted in the bearings of the R.C.C slab /RCC beam/RCC member to ensure/ acknowledge proper bond with the surrounding concrete complete all as specified and as directed by the Engr-in-Charge. (c) Providing/ filing the plain cement concrete 1:1.5:3 type A-0 (using 12.5 mm graded crushed stone aggregate) upto the depth/thickness varrying from 15mm to 45 mm. (d) Applying two coats of exterior emulsion paint over a coat of primer complete all as specified and directed. Note:- The additional reinforcement, if any required on the site shall be measured and paid separately under respective item of the BOQ.

M & L for Accessible , Sloped & Exposed Terrace, Deck Slab as under:- (a)Removal of Existing PCC/Brick Bat Coba/Mud phuska/ APP membrane from the roof stacking the reusable material and disposal of unserviceable ribbish out site the campus as per direction of the client with in 3 Km. (b) Cleaning of surface of loose dust and dirt cement slury etc. by means of wire brush, dust removing brush and scraper etc.In case of Pot Holes/ Cracks same shall be repaired with cement with cement admixed with Polymer as per manufacturer instructions etc. (c) Gola on Mother Slab: Providing and Making of PCC coving (gola) of size 75mm X 75mm with concrete Mix (1:2:40, cement sand, grit and including cost of mixing water proofing compund of approved make etc. complete as per direction by engineer in charge. (d) The surface shall be primer with Smart care epoxy primer to seal the pores and enhance the adhesion of the coating. Supplying and applying single component water proofing liquid membrane based on pure elastomeric, polyutherine resin smart care pu magnum us, cold applied of spray/ brush applied, membrane with elogation > 600% and tensile strength of 3-4 Mpa as per Astm D 412. crack bridging ability of 3mm as per ASTM C1305, no leakage upto 5 bars of water pressure as per DIN 1048, shore A Hardness > 50 Shore as per ASTM D 2240. The minimum thickness to be applied shall be 1.5mm. (e) Providing & laying of protective Geotextile fabric 150GSM over the entire membrane with proper overlaps of 75mm before of Brick bat coba treatment. (f) M & L for Non skid ceramic jointless coloured tiles, 7 to 8 mm thick (square/ rectangular) area of each tile exc 0.11 sqm but nexc 0.18 sqm in floor etc set & jointed in neat cement slury & pointed in white or coloured cement mixed with pigment to match over and including 20mm thick screed layer in cement mortar 1:6, complete all as specified and directed .

Supply and applying two component elastomeric acrylic polymer modified cementitious waterproofing coating over brick wall surface , Smartcare UltraBlock 2K or approved Equivalent Having>220% elongation as per ASTMD 2370, Resisting 5 Bars Hydostatic pressure as pepr DiN 1048, Reduction to rapid chloride shall be 70 as per DIN 1048, Craki bringing upto 3.50mm as per EN 1062. The coating shall have food grade certificate from laboratories like CFTRI. The Mixing ratio of Coating shall be 2 PArts of Powder & 1 Part of Liquid without any water addition in mixing etc. complete as per manufacturers specification. Mnimum consumption shall be 2 kg/Sqm. Supply and applying bond application MIX AP SC repair polymer and cement in Ratio of 1: Brush apply 1 or 2 continuous coat of Mix and ensure minimum consumption shall be 0.2 Kg/Sqm complete all as specified and directed.

M& L preperation of inaccessible roof surface by scrapping and properly cleaning the existing roof treatment in any number of layers upto original RCC roof top surafce. Apply first coat Fiber reinforced Elastomeric liquid water proofing membrane formulated with PU hybrid polymers and reinforcing acrylic fibres with sun reflective index(SRI) of 100-110 , hsving minimum elongation of 350% tensile strength of 2.9 Mpa and shall have cracks bridging ability upto 2.5mm and shall resisit 10 bars of hydrostatic pressure reduce surface temperatureuoto 10 degree celsius with 33% dilution of priming coat. Laying of fiber mesh of 0.3 mm thickness weave in leno pattern having 45 gsm/Sqm and pasting it properly iwith overlap of 50mm and aloow it toodry.Apply second of undiluted coat @4.5 Ltr/Sqm. Apply third and final co for 10mm thick cement rendering in CM 1:E168at undiluted @0.45 ltr/sqm. Aplly third and final coat [email protected]/Sqm as directed by Engr in Charge. (a) M&L for 10mm thick cement rendering in CM1:3 and finishing the surface even and smooth before application of priming coat

AV ENTERPRISES (BID ID -3368898)

kewal builders (BID ID -3360906)

M/S TARA CHAND CONSTRUCTION CO. (BID ID -3360987)

M/S RANBIR SING AND CO (BID ID -3360706)

M/s Ashoka Brothers (BID ID -3360743)