SPECIAL REPAIR TO ROOF OF MD ACCN BLDG NO P-62, P-66 AND P-77 AT KB LINE UNDER GE (EAST) AGRA

Amount

Taking down of all loose and de-bonded concrete/ screed, loose particles, dirt etc & Debris should be removed from Bldg. Roof substrate must be pressure-washed with water with, a minimum working pressure of 1,400 psi is to be used to and/or remove all dirt, dust, chalking and waste products. Remove algae, mold by using bleach solution or biowash etc complete all as specified & directed.

M&L apply one coat of cipoxy 16D primer in the ratio 1:1 spreading at the rate of 0.200 kg-0.250 kg /sqm in complete dry condition where moisture contain below 7% (should be checked with moisture meter)Allow the primer coat to dry for 6 to 8 hours. Apply 1st coat of Roofseal Classic without dilution spreading at the rate of 0.70/litre/Sq.mt/Coat until all surface is covered. Lay a 45 GSM Fibre glass mesh as a reinforcing material which is incorporated in the coating when the first coat is still in wet condition. Allow the first coat to dry for approximately 4 to 6 hours. Apply the second of chemical with the same application coverage, but in a direction perpendicular to that of the first and second coats. Allow each coat to air cure for a minimum of 4-6 hours after application. Check to see no void surface is left untreated / uncoated.Allow the system to air cure for 7 days minimum etc complete all as specified & directed.

M&L for repair of All visible hairline cracks on concrete roof / screed more than 0.50 mm and not giving hollow sound, should be cut and widen in V shape with mechanical cutter in the size (10mm W x 6mm D). Fill cracks with PU sealant / Hybrid Sealant with suitable gun and smoothed with a putty knife or trowel. Allow sealant to cure a minimum (72 Hrs.) 3 days etc complete all as specified & directed.

M&L for remove loose and damaged concrete roof screed in pockets with mechanical cutter. Clean the concrete screed with high pressure water jet to remove dirt and loose particles. Brush apply a bond coat of Pidicrete URP mix in the ratio of 1:1 (URP 1: Cement 1) by volume to make it lump free slurry when applied on in the pre wet surface. Laid to fall roof screed in correct slope and gradient. Mix Dr. Fixit Pidicrete URP 10% by weight of cement in (M20) concrete in ratio of 1:1.5:3 i.e., one bag of 50kg cements: 1.5 times volume of sand: 3 times volume of aggregates: 25L water. Level the repair mortar and finish with trowel. Moist cure should be done for 7days. Air cure screed for 7days, before application of roof top coat coating system etc complete all as specified & directed.

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

M&L for pre-polished Kota stone slab 20-25 mm thick in riser of steps, skirting, dado including 10mm thick plaster or bedding layer in CM (1:3) for reciving the tiles and jointed complete all as sepcified and directed.

M&L Machine cut pre polished kota stone slab flooring 20-25mm thick over cement screed base laid and jointed with grey cement slurry mixed with pigment to match the shade of the slab including rubbing and polishing complete laid over and including 20mm thick screed bed CM (1:6) complete all as specified and directed.

Disconnecting existing water storage tanks 500 ltrs to 1000 ltrs capacity, setting aside (for lowering if required) for repair,cleaning ,etc and hosting if required reconnecting and refixing in position including cleaning, removing all scale dirt etc form tanks and from mouths of circulating pipe, repalcement old tank nipple, unions, stop cock, tank cover etc complete all as specified and as directed.

S & F for 500 Litres capacity rotational moulded poly ethylene water storage tanks (cylindrical vertical with closed top) hoisted and fixed in position all as specified in SSR Part – I with & including PVC Float valve 20mm bore, Tank cover, wash out and overflow pipe necessary tank nipples including Dismantling existing tanks from roof slab/ staging of single/double storey bldg, lowering, complete all as specified and as directed.

Taking up or down 20 mm bore steel tubing/CPVC pipe including fittings and connections, including cleaning for Refixing or removal to store complete all as specified and directed.

Taking up or down 15mm bore steel tubing and connection including cleaning for re-fixing or removal from site complete all as specified and directed.

S&F 20mm bore GI tubes medium grade, galvanised with all fittings and fixed complete to walls and ceiling or laid in floors inlcuding complete all as specified and directed.

S&F 15mm bore GI tubes medium grade, galvanised with all fittings and fixed complete to walls and ceiling or laid in floors complete all as specified and directed.

S&F in repairs 20 mm dia Gun-metal, globe or gate valves, with iron wheel head, screwed both ends for iron pipe and fixed complete all as specified & directed.

S&F in repair 20 mm dia PVC float Valves high pressure, with polythene float and fly nut complete,screwed for Iron pipe or brass ferrule complete all as specified and directed.

S & F in repair CI floor trap, plain with grating including jointing with solvent cement (Diameter of outlet 75mm), jointing to waste pipe and fixed in cement concrete 1:2: 4 (type B1) mixed with pedilite water proofing liquid @ 200ml in 50 kg cement, inlcuding taking out of old unserviceable connections etc, connecting up new and making good disturbe portion complete all as specified and directed.

Taking down rain water pipe of any size or pattern PVC / AC pipe including all fittings etc complete all as specified & directed.

S & F 110mm bore PVC (SWR) pipes single socketed in any length with rubber ring joints fixed to wall including all necessary fittings and fixing of 100Cm/centre to centre clamps out of 50 mm by 5 mm flat iron fixed with suitable bolt / screws securing like PVC bend, Tee etc and taking down old unsv rainwater pipes complete all as specified and as directed.

S & F 50mm bore High density polyethylene (HDPE) pipes of pressure rating 6 kgf/sq. cm inluding band tee, socket and fixing of 100Cm/centre to centre clamps out of 50 mm by 5 mm flat iron fixed with suitable bolt / screws securing etc complete all as specified and as directed.

S&F in repair 100 mm bore cast iron soil, waste vent sand cast pipes in any length with or without ears, with cement joints fixed to walls including making good disturbe portion to match the existing complete all as specified and directed.

S&F in repair 100 mm bore cast iron soil, waste vent sand cast pipes in any length with or without ears, with cement joints laid in floor or in trenches including making good disturbe portion to match the existing complete all as specified and directed.

S&F in repair 75 mm bore cast iron soil, waste vent sand cast pipes in any length with or without ears, with cement joints fixed to walls including making good disturbe portion to match the existing complete all as specified and directed.

S&F in repairs 100 mm bore cast iron bends (any radius), diminishing pieces or tapers (larger bore measured) fitted with oval access doors and cement joint including making good disturbe portion to match the existing complete all as specified and directed.

S&F 75 mm bore cast iron bends (any radius)/, diminishing pieces or tapers (larger bore measured) fitted with oval access doors and jointed with cement joint including making good disturbe portion to match the existing complete all as specified and directed.

S&F 75 mm bore cast iron branch pieces/Tee, single (equal or unequal), ordinary or inverted (spigot or socket type) or with parallel branches fitted with oval access doors and cement joint including making good disturbe portion to match the existing complete all as specified and directed.

S&F 100 mm bore cast iron cowel and cement joint complete all as specified and directed.

S&F clamps out of 50 mm by 5 mm flat iron fixed with suitable bolt / screws securing ends of stays to wall or roof for PVC (SWR) / CI Pipe for 110 mm bore pipe complete all as specified & directed.

S&F clamps out of 50 x 5 mm flat iron fixed with suitable bolt / screws securing ends of stays to wall or roof for PVC (SWR) / CI Pipe for 75 mm bore pipe complete all as specified & directed.

S & F windows made of pre-painted steel (Base steel as per IS 513 of 0.58mm minimum thick “D” Quality galvanized as per IS 277 with zinc of 120 GSM). Primer coated with epoxy primer of 5-7 microns thick, finish painted with a polyester paint of 12-16 microns thick and back coated with 5-7 microns thick alkyd backer. Section for outer frame should be of 72x55mm, centre mullion should be of 72x50mm, section for fixed glass beading should be of 12x12mm and section for shutter should be of 52 x 25mm. Outer frame & mullion sections to have rebate for glazed shutters, fly mesh and 20 mm provision for guard bars/ grills fly mesh shutter section should be of 20x40mm. The sections are to be cut to length mitre joined with corner bracket. Centre mullions to be fixed with mullion cap. Elixir or equivalent stay, handles 2nos of heavy-duty stain less steel pivot hinges shall be provided per shutter. The windows should be paneled with 4 mm thick plain float glass and S.S. Mesh for fly mesh shutter (304 grade). Rubber Gaskets are provided all around the glass. The above frames should be fixed to the concrete/masonry wall by means of self-expanding, screws. Including 10mm square guard bars with 6” (152.4mm) pitch including taking down the exsting windows complete all as specified and directed.

S & F ventilator made of pre-painted steel (Base steel as per IS 513 of 0.58 mm minimum thick “D” Quality galvanized as per IS 277 with Zinc of 120 GSM). Primer coated with epoxy primer of 5-7 microns thick, finish painted with a polyester paint of 12-16 microns thick and back coated with 5-7 microns thick alkyd backer. Section for outer frame should be of 48x50mm, centre mullion should be of 48x50mm, section for shutter should be of 52x 25mm and rebate for Glazed shutter with a 20mm provision for Guard bars/Grills. The sections are to be cut to length metre joined with corner bracket. Centre mullion is to be fixed with mullion cap. Handle, stay, 2 nos. of Stainless Steel heavy duty Pivot hinges shall be provided per shutter the windows fitted with 4mm thick plain float glass with rubber gaskets including fixing the frames in concrete/masonry wall by means of self expanding screws, Including fixed panel beading section should be of 12x12mm. Outer frame and mullions to have 10mm Square guard bars with 6” (152.4mm) pitch etc.including taking down the exsting windows complete all as specified & directed.

Demolition of brick work or stone/boulder masonry, built in cement mortar including all quoins, arches, pillars etc but excluding ashlar ficings, dressed stone work and pre-cast concrete articles complete all as specified and directed.

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

M&L brickwork with sub-class `B' brick straight or curved on plan to any radius in half brick thick walls built in CM 1:4 complete all as specified & directed

Taking down cement plaster on wall/ceiling/roof etc including raking out joints, hacking for key scrubbing down with water etc complete all as specified and as directed.

M &L for 10 to 12mm smart care ready mix repair plaster is a specially designed ready to use cement based plaster with high quality polymer additives and well graded sand and fillers which can be used for plastering (as per manufacture instructions) over exterior wall ( including necessary arrangements in multy storey bldgs up to G+1 )surfaces complete all as specified and directed. ( coverage area 24-28 kg/sqm)

M &L for 10 to 12mm smart care ready mix repair plaster is a specially designed ready to use cement based plaster with high quality polymer additives and well graded sand and fillers which can be used for plastering (as per manufacture instructions) over interior wall surfaces complete all as specified and directed. (coverage area 24-28 kg/sqm specified .

M &L for 8 to 10 mm smart care ready mix repair plaster is a specially designed ready to use cement based plaster with high quality polymer additives and well graded sand and fillers which can be used for plastering (as per manufacture instructions) over Ceiling surfaces complete all as specified and directed.

M & L Washed stone grit plaster on exterior walls in two layers, under layer 12mm cement plaster 1:4 (1 cement: 4 coarse sand ) furrowing the under layer with scratching tool, applying ement slurry on the under layer @ 3 Kg of cement per square metre, top layer 15mm cement plaster 1:1/2:2 (1 cement: 1/2 coarse sand : 2 stone chipping 10mm nominal size) in panels with groove all around as per approved pattern including scrubbing and washing, the top layer with brushes and water to expose the stone chippings .complete all as specified (Payment for providing grooves shall be made separately).

Forming groove of uniform size 15mm wide and 15mm deep in the top layer of washed stone grit plaster as per approved pattern using wooden battens, nailed to the under layer including removal of wooden battens, repair to the edges of panels and finishing the groove complete as per specifications and direction of the Engineer-in-charge

M&L for preparation of new plastered or unplastered surfaces of wall, concrete surfaces, and applying two or more coats of acrylic emulsion polymer paint having (waterproof rain coat of Dr fixit or eqivelent) Alkali & fungal resistance, dirt resistance exterior paint of required shade over and including priming coat of exterior applied @ 0.90 litre/10 Sqm over new surfaces of wall complete all as specified and directed. Note:- All painting works shall be done with spray painting machine only. in any shade or colour as approved ( including necessary arrangements to paint the same in multy storey bldgs up to G+2 ) complete all as specified and as directed

M&L for preparation of complete removal of existing treatment or unplastered surfaces of wall, concrete surfaces, and applying two or more coats of acrylic emulsion polymer paint having (waterproof rain coat of Dr fixit or eqivelent) Alkali & fungal resistance, dirt resistance exterior paint of required shade over and including priming coat of exterior applied @ 0.90 litre/10 Sqm over new surfaces of wall including necessary arrangements to paint the same in multy storey bldgs up to G+2) complete all as specified and as directed

M&L for two coats of oil bound distemper over a coat of average 2 mm thick putty on new plastered ceiling surfaces including preparation complete all as specified and directed.

Material and labour for preparation of new steel or iron surfaces over 10cm width or girth and applying two coats of synthetic enamel paint over a coat of red oxide primer 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: framedwork of watertanks and similar work conforming to Fe-290 Gde E165.

Removing or dismantling of damage / cracked/ concrete /loose concrete / plaster of celing/ wall/ chajja/ facia to expose the sound and hard concrete using a suitable mechanical device or by hammer and chisels including necessary arrangements to paint the same in multy storey bldgs up to G+2 etc complete all as specified & directed.

M&L for providing and applying on beam, col, ceilings surface by one part alkaline based material with corrosion inhibitors and dispersing agents for exposed steel surface after cleaning to loose scale or oxidized chips from bars, having bulk density 1.25. The material to be applied to the rusted metal with brush for complete wetting of rusted metal surface and allowed to react for 16-24 hours. After 24 hours, a white layer will appear which will protect further corrosion of metal / steel after about 5-7 days, before applying protective coating, the surface should be wire brushed and thoroughly cleaned for dust with dry cloth etc to make surface dust free complete all as specified and directed.

M & L for applying bonding agent for bonding old to new concrete surface likes chajja/ beams/ celings/ columns/ facia etc by high performance modified Styrene- Butadiene Rubber ( SBR ) base binder . Applying of binder is as 10 sqm/ per litr ( including necessary arrangements in multy storey bldgs up to G+2 ) etc complete all as specified & directed.

M & L for applying 30 mm thick ( average ) polymer modified repair mortar for repair of RCC members likes beams, columns, chajja , facia , mortar having good compressive strength should not less than 30 Mpa and shrinkage resistance, mixing as per manufacture instruction etc ( including necessary arrangements in multy storey bldgs up to G+2 ) complete all as specified & directed.

S&F galvanised welded steel wire fabric as extra reionforcement to RCC members like ceilings, chajja’s, beams, columns parapet walls, waste slab etc including all cutting and waste (wt not exc 4.00 kg/Sqm) complete all as specified and directed.

M & L for applying 15 mm thick ( average ) smart care repair mortar ready to use single component polymer modified repair mortar for repair of RCC members likes beams, columns, chajja , facia and wall mortar having good strength and shrinkage resistance use as per per manufactue instructions etc complete all as specified & directed.

M & L for greasing of existing steel window and door (of any type/ size) and making suitable for easy opening/ closing of shutters including cutting of jambs/ cills etc and making good the disturbed surfaces including necessary welding work etc complete all as directed.

M&L in repairs for 1.00mm thick mild steel black sheet as in steel door/gate and similar works cut to size, holes punched including round headed screw welded etc complete as specified and as directed.

Material and labour for preparation of old steel or iron surfaces over 10cm width or girth and applying one coats of synthetic enamel paint over a coat of red oxide primer complete all as specified and as directed.

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