CWE/AF AMB/AMB-18/2021-22 SPECIAL REPAIR OF CERTAIN BUILDINGS AT AF STN AMBALA UNDER GE (AF) AMBALA

Amount

Dismantling of brick tiles or terracing tiles single layers on roof and rubbish off the premises to a distance not exceeding 500 mtr including stacking of servicable brick tiles complete all as specified and directed.

Demolition of mud phuska on roofs, any thickness including mud plastering & leeping (whether full thickness removed or only a part thereof) and rubbish off the premises to a distance not exceeding 500 mtr complete all as specified and directed.

Material and labour 10 mm thick plastering in cement mortar 1:4 on cleaned RCC roof slab surfaces, sides of parapet etc mixed with water proofing compound (WPC) as per manufacturer's instructions, finished even and fair complete all as specified and directed. Note : WPC shall be measured and paid separately as supply only.

Material and labour Atactic Polypropylene (APP) polymeric water proofing treatement to roof, at any height, using membrane minimum 3 mm thick and weighting not less than 3.0 kg per sqm, black finish reinforced with non-woven polyster (Weight not less than 150 gms per Sqm), with properties of high penetration and centre core consisting of 90 micron, high molecular high density polyethylene (HMHDPE) film consisting of five layers with thermo fusible finish laid by force application after applying compatible bitumen primer at the rate of 0.30 Ltr per Sqm, torching over laps with a propane or butane gas torch with a over lap of 100 mm at the side on transverse direction and 150 mm at the ends on longitudinal direction and sealing including a tack coat of hot blown bitumen 85/25 @ 1.2 Kg per Sqm below APP complete all as specified and directed . Notes:- (i) The water proofing treatment shall be got carried out by the manufacturer or their authorised applicators duly approved by GE in writing. (ii) 5% amount of the total amount of water proofing treatment (BOQ item No 1.00 to 9.00) shall be retained as a guarantee and shall be released after 10 years. However contractor may deposit the FDR of same amount in favour of GE. If contractor fail to rectify the defect pointed out during this period in writing, the defect shall be got rectified at contractor' risk and cost and the payment shall be made from the amount kept reserved or by encashing the FDR deposited by the contractor as guarantee. The contractor's quoted rates for this item shall deemed to be inclusive of this aspect.

Material and labour 40 mm thick brick tiles laid on roofs, jointed and grouted flush in cement mortar 1:3 mixed with linseed/crude oil @ 5% by weight of cement over and including 15 mm thick screed bedding in cement mortar 1:6 complete all as specified and directed.

Description all as per item No 5.00 here-in-above but except brick tiles. Note: Old serviceable brick tiles retrieved from item No. 1.00 here-in-before shall be used after cleaning and washing.

Material and labour 50 mm average thickness, PCC 1:2:4, type B-0 (using 12.5 mm graded mechanically crushed stone aggregates) over roof slab as in padding in slope to make good the depressions/undulations complete all as specified and directed.

Material and labour PCC 1:2:4, type B-0 (using 12.5 mm graded mechanically crushed stone aggregates) as in roof kerbs(gola) or mud stops, rounded or chamfered on edges including necessary form work complete all as specified and directed. Note : The quoted rates included for use of formwork (straight or curved).

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

Taking up or down 15mm bore GI tubing and connections for refixing or removal from site complete all as specified and directed. Note: Cutting chasing wherever required & making good the disturbed surfaces shall deemed to included in quoted rates.

Taking up or down 20mm bore GI tubing and connections for refixing or removal from site complete all as specified and directed. Note: Cutting chasing wherever required & making good the disturbed surfaces shall deemed to included in quoted rates.

S&F galvanised mild steel water tubes 15 mm bore, medium grade, with all fittings and fixed complete to wall and ceiling with and including cutting chasing whereever required or laid in floor complete all as specified and directed.

S&F galvanised mild steel water tubes 20 mm bore, medium grade, with all fittings and fixed complete to wall and ceiling with and including cutting chasing whereever required or laid in floor complete all as specified and directed.

Dismantling of water tanks from any position/location, of any make etc and removing to store, capacity exceeding 250 Ltr but not exceeding 500 Ltr including float/ball valve complete all as specified and directed.

S&F rotational moulded polythene(PVC) water storage tank, HDPE, off white colour, triple layered , cylinderical type fixed and hoisted in position on roof, at any height, of capacity 500 ltr and making connections with 20 mm GI pipe inlets & outlets complete including locking arrangements and 20 mm bore ball brass valve high pressure with polyethylene float & flynut complete all as specified and directed.

Supply and fixing in repair stop valve, 20 mm bore, cast copper alloy, chromium plated, fancy type with crutch or butterfly handle, screwed down, screwed for iron pipe or for brass ferrule complete all as specified & directed.

Dismantling post or struts (wood, steel or RCC) embedded in concrete/brick work/Masonry etc, any section, in any position, including taking out embedded portion & making good the disturbed ground complete all as specified and directed.

Material and labour Precast cement concrete, 1:2:4, type B-1 (using 20 mm graded mechanically crushed stone aggregates) block masonry with solid blocks exceeding 10 cm in width and setting in cement mortar 1:4 complete all as specified and directed. Note : The quoted rates include for use of formwork (straight or curved).

Demolition of cement concrete (unreinforced) of any description and in any position not otherwise specifically provided for including rubbish off the premises to a distance not exceeding 500 mtr complete all as specified and directed.

Dismantling of wall and ceiling boards (fibre, pulp, insulation, etc.) or insulation boards/slabs/blankets, any thickness, fixed in any position with screws including cover fillets & electrical wiring, fitting, fitments if any and making good including dismantling/taking down of GI frame work/snap grid above false ceiling complete all as specified and directed. Note:- Electrical wiring, fitting, fitments etc (if any) shall be made good by contractor without any extra cost to department.

Supply and fixing powder coated GI frame work for seamless ceiling making the grid of size 605mm x 605mm, comprising of GI perimeter channel 0.55 mm thick with two unequal flanges of 20 and 30 mm and web of 27 mm fixed to surrounding wall using nylon sleeves and screw at 450 mm centre to centre / intermediate channel 0.9 mm thick having two equal flanges of 15 mm each and web of 45 mm suspended from soffit at approx 900 mm centre to centre with GI cleat and steel expansion fasteners with and including ceiling section (not exceeding 1.2 mtr length) of 0.55 mm thickness having kurled web of 50 mm and flange of 26 mm each with lips of 10.5 mm fixed to the intermediate channel with connecting clips across the intermediate channel at 457 mm centre to centre including Hangers 6 mm dia GI wire (upto 1200mm length) adjusting level fixed to roof slabs by means of ceiling cleats made out of GI flat 40mm x 3mm size 60 mm long and expansion hold fasteners 12.5 mm dia, 40 mm long complete all as specified and directed.

Supply and fixing seamless calcium silicate ceiling board 6mm thick made of siliceous and calcareous material reinforced with cellulose fibre for fixing in 600 mm x 600mm grid as in false ceiling flat or sloping, fixed on false ceiling framework/section with 25mm long self drillling and tapping screws having phillips head with under head cutter at 200mm centre to centre including finishing the joints of face board with speically formulated jointing compound and 48mm wide fibre tape to provide seamless finish complete all as specified and directed. Note:- Frame work and hanging device shall be measured and paid separetely.

Demolition and breaking up drain pipes (Salt glazed ware, AC or Reinforced concrete), internal dia 100mm/75mm, set in cement mortar complete all as specified and directed.

Supply and fixing PVC (SWR) pipe 110 mm bore, single socketed in any length with rubber ring joints, fixed to walls complete all as specified and directed.

S&F 110 mm bore PVC (SWR) bends any radius complete all as specified and directed.

Supply & fixing removable raised/false access flooring with system and its components of approved make for different plenum height with possible height adjustment upto 50mm, comprising of modular load bearing floor panels supported on GI rectangular stringer frame work and GI pedestal etc, all complete panel corroresist epoxy coated for lifetime rust protection and cavity formed by the top and bottom plate is filled with pyrogrip noncombustible portland cermentitious core mixed with lightweight forming compound. The access floor shall be factory finished with Anti-static Hight pressure laminate with Non warp technology upto 1.0 mm thickness for superior adhesion and surface flatness within 0.75mm. The panel is to withstand a concentrated load of 363 Kg applied on area 25mm X 25mm without collapse in the centre of the panel which is placed on four steel blocks. The panel will withstand Uniformly Distributed Load (UDL) minimum 1250 Kg/sqm and an impact load of 50 Kg complete including taking down / diamantling of old unservicieable false access flooring with system and its components complete all as sepecified and & directed. Make: Phinix acoustic insulation Pvt Ltd / AET space Indial Pvt Ltd / Universal Infra Structure System / Libo Interior Solution Pvt Ltd Note: All complete specification must be printed on the side of the panels to ensure the quality of the product.

Taking down/diamantling & refixing of old servicieable raised/false access flooring with system and its components complete all as sepecified and & directed.

S&F in repair Aphony gloss 25 mm wall tiles made of wood fibre cement composites covered with acoustically transparent absorptive microfibers on the front side with an option of colours of size 600mm x 600mm, highly recommended for walls & has excellent noise absorption of 0.9 NRC as per ISO : 354-1985 and ASTM 423-90 a STC of 47 as per ASTM E90/413 for 25mm, Density 400 Kg/Cum for the base panel/core variant, can be installed in double colour/brick pattern/square/tapper edge on GI studs 2400mm X 50mm, web thickness 0.5mm, flanges 15mm & 50mm fully knurled giving it high strength, hot dipped glavanized steel with 120GSM zinc coating specially designed for Acoustic vabration management and long life with a backing of Himalyan Acoustics, 50mm thick absorb wool tested as per fire Retardant ASTMD 635-1991 and IS 15061-2002 for excellant result complete all as specified and directed. Note : (i) The colour of aphony gloss wall tiles shall be approved by GE. (ii) It shall meets stringent fire ratings ASTM D-876 and fire rating for the base panel as per BS : 476 weather resistance as per IS 3308, Thermal insulation as per IS : 3346-1980 with relative humidity of 90% RH at 60 degree celsius/140 degree fahrenheit for 15 days = no detorioration, tested as per En 131682001 and are RoHS complaint.

Material and labour preparation of old treated / untreated surfaces of wall, applying one coat of 3 mm thick white cement based putty to make the surface even & smooth and applying two coats of Oil bound distemper(first quality) of approved shade/tint, complete all as specified and directed. Note: Distemper should confirms to IS 428: 2020 and colour & shade shall be approved by GE

Material and labour preparation of newly untreated plastered surfaces of wall, applying one coat of 3 mm thick white cement based putty to make the surface even & smooth and applying two coats of Oil bound distemper(first quality) of approved shade/tint, complete all as specified and directed. Note: Distemper should confirms to IS 428: 2020 and colour & shade shall be approved by GE

Complete removal of existing treatment and applying two coats of white wash/colour wash (as directed) on ceiling/soffits surface complete all as specified and directed.

Complete removal of existing treatment and applying two coats of exterior acrylic emulsion paint over & including one coat of compatible primer in comoflaging pattern of any shade/pattern on wall surface complete all as specified and directed.

Dismantling floor, hearth or wall tiling including cement mortar bedding but not backing, removing serviceable tiles to store and rubbish off the premises to a distance not exceeding 500 mtr complete all as specified and directed.

Material and labour Vitrified ceramic tiles, coloured, light shade, 10 mm thick, square/ rectangular, polished, area of each tile not exceeding 0.36 Sqm as in floors etc. set and jointed in neat cement slurry and pointed in white or coloured cement to match the surface over & including 15 mm thick screed bed or bedding layers in cement mortar 1:6, complete all as specified and directed.

Taking down cement plaster on brick or stone walls, etc including racking out joints, hacking for key, scrubbing down with water including removal of debries to distance not exceeding 500 mtr complete all as specified and directed.

Material & labour rendering 15 mm thick in cement mortar 1:6 on fair faces of brick or concrete surfaces, finished even & smooth without using extra cement complete all as specified and directed.

Dismantling of wrought iron or mild steel work of any description not otherwise specifically provided for complete all as specified and directed

Dismantling of plain or corrugated steel sheeting , any gauge/ thickness including Nainital or similar pattern roof coverings including ridges complete all as specified and directed

Supply and fixing 2.0 mm thick fibre glass reinforced translucent corrugated sheeting with two corrugations side lap fixed with coach screw and washer in roof, wall etc complete all as specified and directed.

Supply and fixing rolled mild steel work in tubular trusses including vertical member, rafter and purlin including special shaped washer etc using ERW or induction butt welded tubes conforming to IS 1161-1979 graded St- 240 including cutting to dead length, notching, drilling riveting and/or welding & connecting with nuts & bolts complete all as specified and directed.

M&L in replacement earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc. as required copper strip 20mm x 3mm complete all as specified and directed

Material and labour in replacement earthing complete with copper earth plate electrode 60 cm X 60 cm X 3.15 mm thick buried vertically in ground to depth not less than 2.25 mtr below ground level, with top edge of earth plate not less than 1.5 mtr below ground level, connected to copper earth lead strip 20 mm x 3mm upto 7.5 mtrs long by means of bolts, nuts, check nuts and washers of galvanized iron and connection to earthing test point & earth dolly & watering pipe GI 20 mm bore, light grade including protection pipe GI light grade 15mm bore , wire mesh, funnel,lugs, salt, charcoal dust, excavation & earthwork in soft/losse soil and refilling pit chamber with PCC 1:2:4 type B1 using 20 mm graded mechnically crushed stone aggregates , RCC 1:2:4 type B-1 using 20 mm graded mechnically crushed stone aggregates pit cover slab 50 mm thick reinforced with 8 mm dia TMT bars @ 15 cm c/c both ways including necessary form work all as shown in electrical plate No 3 of SSR part-I (2009), including testing on completion at site complete all as specified and directed. Notes :- (i) Any variation in length of earth lead and protection pipe of earth lead shall be adjusted through DO. (ii) The earth result should be less than 3 ohm, on testing if the earth resistance is not obtained, earthing will be generated at No extra cost, till the desired earth resistance is obtained. (iii) The PCC chamber shall be constructed atleast 1.5 mtr away from the earth electrode & watering pipe.

S&F in replacement aluminium strip 25mm x 3.15mm fixed with PVC /Porcelain insulator on wall/roof/floor including fixing arrangement of connecting to lightening arrester/earthing /test point, strip should be brazed /welded at each joint complete all as specified and directed. Note:- The distance between two consecutive PVC/Porcelain insulator should not be more than 0.5 RM.

S&F in replacement test point terminal block made of gun metal or phosphorus bronze size 75x75x25mm drilled and screwed with and including 3 nos, 8mm dia, 25mm long hexagonal head screw complete all as specified and directed.

S&F in replacement air termination single pointed aluminium rod 12 mm dia, 300mm long duly fixed/secured with PCC or with GI pipe supports complete all as specified and directed.

Material and labour PCC 1:3:6, type C-2 (using 40 mm graded mechanically crushed stone aggregates) as in blocks to hold GI extension pipe for air termination rod including necessary form work complete all as specified and directed.

Supply and fixing GI pipe 40 mm bore, medium grade, including cutting to desired length and fixed in PCC complete all as specified and directed .

Supply and fixing powder coated GI frame work for seamless ceiling making the grid of size 1805mm x 1205mm, comprising of GI perimeter channel 0.55 mm thick with two unequal flanges of 20 and 30 mm and web of 27 mm fixed to surrounding wall using nylon sleeves and screw at 450 mm centre to centre / intermediate channel 0.9 mm thick having two equal flanges of 15 mm each and web of 45 mm suspended from soffit at approx 900 mm centre to centre with GI cleat and steel expansion fasteners with and including ceiling section (not exceeding 1.2 mtr length) of 0.55 mm thickness having kurled web of 50 mm and flange of 26 mm each with lips of 10.5 mm fixed to the intermediate channel with connecting clips across the intermediate channel at 457 mm centre to centre including Hangers 6 mm dia GI wire (upto 1200mm length) adjusting level fixed to roof slabs by means of ceiling cleats made out of GI flat 40mm x 3mm size 60 mm long and expansion hold fasteners 12.5 mm dia, 40 mm long complete all as specified and directed.

Supply and fixing seamless calcium silicate ceiling board 6mm thick made of siliceous and calcareous material reinforced with cellulose fibre for fixing in 1800mm x 1200mm grid as in false ceiling flat or sloping, fixed on false ceiling framework/section with 25mm long self drillling and tapping screws having phillips head with under head cutter at 200mm centre to centre including finishing the joints of face board with speically formulated jointing compound and 48mm wide fibre tape to provide seamless finish complete all as specified and directed. Note:- Frame work and hanging device shall be measured and paid separetely.

For Credit Schedule refer tender documents.

ANIL CONSTRUCTION CO.

M/s Mangal Construction Co.

Swami Enterprises

M/s B.S.Jain