REPAIRS TO RCC ROOF AC SHEET ROOFING FALSECEILING OH TANK PLUMBING WORKS UNDER AGE B AND R 1 OF GE CENTRAL BANGALORE

Amount

Taking down cement plaster of any description including racking out joints, hacking for key scrubbing down with water etcand removal of entire debris as ordered outside MD land complete all as directed.

Demolition of cement concrete (un-reinforced) in ground floor and paving not exc 15 cm thick above or below ground level and removal of entire debris as ordered outside MD land complete all as directed.

Demolition of brickwork or stone/boulder masonry, built in cement mortar including all quoins, arches, pillars, etc and removal of debris to a distance not exceeding 50 mts and depositing where directed.

Dismantling of AC Corrugated or semi corrugated sheet etc any thickness including ridges as in roof covering and stacking at site where directed and removal of debris to a outside MOD land and depositing where directed complete all as directed.

Dismantling boarding, any description, fixed in any position with nails and stacking at site where directed for Credit.

Dismantling of tile wooden battens as in tiles of any size including tiling fillets exe 15 cm spacing complete and stacking where directed.

Dismantling of timber scantlings 40 Sq cm and over in section in any position unframed work and stacking at site where directed complete.

Dismantling single layer mangalore pattern roof tiles including ridges laid and set in cement mortar complete all as directed.

Dismantling wall and ceiling board fibre, uplp insulation etc or insulation boards any thickness including cover fillets complete all as directed.

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

Excavating in post holes (or similar holes) each not exc 0.50 cum, getting out, returning, filling in and ramming earth or broken rubble mixed with earth around, in layers not exc 25cm, watering, and removing surplus soil to a distance not exc 50 m and making good surface in soft/ loose soil.

M & L for PCC 1 :3 : 6 type C2 using 40 mm graded crushed stone aggregate as in foundation filling & mass concrete complete all as specified and directed

M&L for Type B0 1:2:4 (12.50 mm graded aggregate) providing cement concrete as in Padding over roof / chajja finished even and smooth without using extra cement. complete all as specified and as directed.

M&L for Plain cement concrete 1:2:4 Type B1 using 20 mm graded crushed stone aggregrate as in kerbs / copings etc as ordered including rounded or chamfered on edges complete all as directed.

M&L factory made pre cast PCC 1:3:6, type C1 (using 20 mm graded granite aggregate) as in block masonry with solid blocks, exceeding 10 cm in width and setting in CM 1:6 complete all as specified.

Supply only Integral Water Proofing Compound (ISI Marked) of Make : CICO, Acco Proof, Impermo, Aqua flex as approved.

M&L Second class hard wood well seasoned wooden scantling clean sawn framed & fixed to walls with screws complete all as directed.

M&L for second class hardwood Weather boarding, clean sawn, thickness 20mm to 25 mm and rebated on thick edge to give 20mm laps and fixed, complete all as specified & directed

All same as per item No.18 here -in - above but except wooden boarding - (Note : wooden boarding obtained from item No 5 here -in - above)

M&L for Second class hard wooden battens spaced at 30 cm centre to centre clean sawn cross sectional area exceeding 5 sqcm but not exc 15 sqcm complete all as directed.

All same as per item No 20 here-in-above but except wooden battens -do- (Note : Servicable wooden battens received from BOQ item No 6 here-in-above).

S&F rolled mild steel work as in roof trusses (framed), trussed, purlins, crane gantries, rails and fastenings and heavy bracket framing (Beam, tee, angle, channel or flat sections) including distance pieces, cleats, necessary welding etc. conforming to Grade E-250 quality ‘A’ all as specified and as directed.

S & F for 4 mm thick of size 600x600mm HSPC (High pressure steam cured) pre-primetered self embossed, textured designer board E-Board Classic( White colour) to be fixed and including aluminium snap grid frame work false ceiling suspended with 6 mm dia GI barhangers 1200 mm center to centre both ways fixed with steel dash fasteners or from purlins frm the roof with alignment clip including providing provision for light fixtures of any size complete all as specified.

S & F for 8 mm thick Seamless calcium silicate ceiling made out of 1800 x 1200 mm size board of siliceous and calcareous material reinforced with cellulose fibre fixed to the ceiling section with 25 mm long self drilling and tapping screws having phillips head with under head cutter at 200 mm centre to centre, including finshing the joint of face board with specially formulated jointing compound and 48 mm wide fibre tape to provide seam less finish (Frame work for ceiling shall be measured and paid separately) size complete all as specified.

S&F for 10 mm thick PVC insulaion panels with EPS stuck to 1 mm plain PVC sheet suitably placed in false ceiling grid made of Aluminium /GI / MS as ordered complete all as directed.

S&F for Solid PVC Wall Lining consisting of 5mm thick Plain colour PVC sheet inclusive of solvent cement and fixing at site on PVC frame as ordered complete all as directed.

Material and labour for removal of existing WPT course or any other kind of treatment surface over roof slab and cleaning of surface with wire brushes and water removing of unsolvent materials and depositing of the same outside MoD land and provide 10 mm thick screed bed/ bedding layer in CM 1:3 mixed with Water Proofing Compound (WPC) as per manufacturer instructions, including finishing the surface fair and even on RCC roof/ parapet once bedding layer of concrete is completely dried and apply oil bound bituminous primer @ 0.20 Kg/Sqm and providing 4mm thick APP modified water proofing membrane weighing not less than 4.00 Kg/Sqm reinforced with non woven polyster matt weighing not less than 160 gms/Sqm including minimum 10 cm side over laps and 15 cm end lap torch sealed and bonded as per detailed procedure as directed, apply a coat of blown grade hot bitumen 90/15 grade over the membrance @1.2 Kg/Sqm and finally finished the top surface with solar reflective bituminious aluminium @ 0.10 Kg/Sqm complete all as specified and as directed. Note: (i) The quoted rate is deemed to be inclusive of taking down & removal of debris , 15 mm thick 1:3 screed & complete APP treatment. (ii) WPC will be paid seperately (iii) The work shall be carried out only through manufacturer or their authorised applicator and a written guarantee for work shall be submitted by the manufacturer for the effectiveness of WPT (iv) Care shall be taken to avoid wrinkle and air gaps while sticking membrane to the bitumen applied surface.

M & L for roof surface must be pressure-washed with water with, is to be used to and/ or remove all dirt, dust, chalking and waste products. Remove algae, mold by using bleach solution. 2 tiles joint repair all visible and joint more than 0.50mm and not giving hollow sound, on the tiles roof or at the junctions of flat roof & vertical parapet wall, pipe joints, should be cut and widen v shape with mechanical cutter in the size (6mm W x 6mm D) and fill with Dr. Fixit PMM methodology.Glass fiber apply Dr Fixit URP or Primeseal A on the well prepared groove, allow to cure tack free. Followed by filling all the joints covering the entire area uniformly with suitable chemical. Allow chemical to cure a minimum 24 hours. Apply minimum 50mm-100mm width 45 GMS glass Fibre mesh/ non-woven geo testile fleece with the coat of Dr Fixit Roofseal classic along the length of crack when the 1st coat is still in wet condition. Apply the second coat with an interval if 4-6 hours. Waterproofing: Apply a coat of Dr Fixit Roofseal classic (diluted with water in the ratio 2:1) as Self Priming 14.0-18.0 Sq. mt/litre.Allow coating to dry for 3-4 hours. Applt two coats of Dr Fixit Roofseal classic/litre/coat, without, the rate of application being the same for both the coats. This would ensure correct consumption of material that will deliver a total of DFT of microns. Allow the system to air cure for 5 days minimum. Check to see no void surface is left untreated/uncoated. The material having following technical specification as per ASTM D 6083 M- type II, Attains a Tensile strength of 2.5 N/mm2 confirming to ASTM D 2370: Elongation at break > 300% confirming ASTM D 2370, Adhesion to Concrete 2.0N/mm2 Confirming ASTM D 4541 and crack bridging ability up to 2mm, air cure the coating for 7 days before water pound test for 48 Hrs. The system comes with 7 year waterproofing warranty from service provider. For vertical surface : Apply 2 coat of Dr Fixit Roofseal classic with forced coverage of /litre/coat. Entire terrace should be coated with roofseal classic alongwith parapet walls needs to be enveloped with roofseal classic/Raincoat system. The total 3 coats treatment

S&F Gl frame work for seamless ceiling comprising of Gl perimeter channnel 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 screws 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 Gl cleat and steel expansion fasteners with and including ceiling section (not exc 1.2 m 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 suspended with hangers 6 mm dia. G.I.bar hangers 1200 centre to centre both ways fixed with steel dash fasteners or from purlin from the roof with alingment clips including providing provn for any type & size of ceiling light fixtures as orderedcomplete all as specified

S&F Pre-painted galvalume aluminium zinc coating GI based corrugated steel sheet 0.50mm thick of any colour having tensile strength of 550 Mpa as in roof covering/cladding to wall, fixed with self tapping screws or ‘L’ type or ‘J’ type or cranked hooks bolts complete all as specified & directed

Supply and fix Pre- painted galvalume aluminum zinc coating GI plain sheet 0.50mm thick of an colour having tensile strength of 550 Mpa as in roof covering/cladding to wall, fixed with self tapping screws or L type or J type or cranked hook bolts or as per manufacture instruction all as specified and as directed.

Supply and fixing 2 mm thick fibre glass reinforced translucent corrugated sheeting with two corrugation side lap fixed with self tapping screws and washer in roof, wall etc complete all as specified & as directed

M&L for Mangalore pattern roof tiles interlocking at side joints laid dry including cutting holes through tiling for pipes and making good the disturbed surface to its original specification complete all as directed.

M&L for Ridges or hip tiles to suit Manglore pattern roofing tiles bedded and jointed in cement mortar 1 : 6 complete all as directed.

Cutting/chipping the spalling concrete surfaces of columns, beams, facias, slabs, Chajjas & cartilevers etc., and trimming cleaning the surfaces of any thickness as ordered and applying epoxy treatment for bonding old demolished concrete surfaces incl application of one coat of notozinc primer to the exposed reinforcement and over plastering in CM 1:4 average 20mm thick finishied even and smooth without using extra cement to level the surface etc incl necessary scafolding as required at site and where required complete all as specified and directed

M & L for Rendering 15 mm thick in cement mortar 1:4 on internal concrete surface mixed with WPC @ the weight of minimum 3% by weight of cement mixed or as per manufacturer instruction , and finished the surface even and smooth without using extra cement complete all as specified and directed. (Note : WPC measured and paid separately.

M&L for rendering 10 mm thick in CM 1:6 on brick work/stone work or concrete surface finished the surface even and smooth without using extra cement complete all as specified.

All as per item No 37 here-in-above but 5 mm thick in CM 1:3 on ceiling,chajja,roof projection etc.

Three coats of white wash on newly plastered surface of ceilings after necessary preparation of surface complete all as directed.

Material & Labour for applying two or more coats of 100% premium acrylic emulsion paint having VOC less than 50gm/litre and UV resisitance as per IS 15489:2004, alkali & fungal resistance dirt resistance exterior paint (Apex -Ultima Protek) of required shade (company depot tinted) with silicon additives @ 1.43 litre/ 10 sqm over and including priming coat of exterior primer applied @ 0.90 litre/ 10 sqm over new surfaces applied by mechanical means i.e Airless spray including filing undulations with white cement based putty mixed with multi purpose mixer complete all as directed.

M&L preparing new plastered wall surfaces and applying two coats of oil bound distemper over a coat of alkali resistant primer over a coat of 3 mm thick white cement based wall care putty as ordered complete all as specified.

M & L Two coats of 1st quality synthetic enemal paint over a coat of zinc chromate primer over any description of new steel surface over 10 cm in width or girth including necessary preparation of new steel surface complete all as directed.

M & L Two coats of 1st quality synthetic enamel paint over a coat of pink primer on new wooden surface of any description over 10 cm in width or girth including necessary preparation of new wooden surface complete all as directed.

One coat of first quality synthetic enamel paint of any description over 10 cm in width or girth on old painted wooden surface after necessary preparation of surface complete all as directed.

M&L for preparing surfaces of wood and wood based materials, new or old, of any description and girth not otherwise described and treated with two coats of creosote oil complete all as specified

Taking down old 20 mm bore GI tubing and connection from Bldg after necessary disconnection & S&F new CPVC pipe SDR II having outer dia 20 mm pipe with plain CPVC SDR II fitting such as bends, elbows, unions and end pieces to receive the fittings and fixed with solvent cement in walls/ceilings (concealed/surface) or laying in floors in same or different locationas ordered making necessary connection & testing complete to thhe satisfaction of Engineer-in-charge complete all as specified

Taking down old 25 mm bore GI tubing and connection from Bldg after necessary disconnection & S&F new CPVC pipe SDR II having outer dia 25 mm pipe with plain CPVC SDR II fitting such as bends, elbows, unions and end pieces to receive the fittings and fixed with solvent cement in walls/ceilings (concealed/surface) or laying in floors in same or different locationas ordered making necessary connection & testing complete to thhe satisfaction of Engineer-in-charge complete all as specified

S & F in repair 25 mm size gun metal globe or gate valve with iron wheels head screwed both ends for iron pips complete all directed.

S & F in repair 110 mm bore, UPVC (SWR), Type 'B', Soil waste and vent pipes or for rain water pipe in any length without ears, with rubber ring joints fixed to wall using MS holder bat complete all as specified and directed.

S & F in repair 75 mm bore, UPVC (SWR), Type 'B', Soil waste and vent pipes or for rain water pipe in any length without ears, with rubber ring joints fixed to wall using MS holder bat complete all as specified and directed.

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

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

S&F in repair 75 mm size PVC (SWR) floor trap with grating including jonting the same with solvent cement complete all as directed.

Dismantling of existing any type & any capacity water storage tank fixed in any description and stacking at site and S&F new 500 litres capacity (white colour) rotational moulded polythene water storage tank, (cylindrical vertical with close top) triple layer colour white both inside and outside with top cover including PVC float valve high pressure suitable for 20 mm bore of pipe with polythene float, fixture hoisted and fixed in position where ordered and making necessary connection and testing complete all as directed.

Dismantling of existing any type & any capacity water storage tank fixed in any description and stacking at site and S&F new 1000 litres capacity (white colour) rotational moulded polythene water storage tank, (cylindrical vertical with close top) triple layer colour white both inside and outside with top cover including PVC float valve high pressure suitable for 25 mm bore of pipe with polythene float, fixture hoisted and fixed in position where ordered and making necessary connection and testing complete all as directed.

Disconnecting existing serviceable rotational moulded polyethylene water storage tank, setting aside (or lowering if required) for repairs, cleaning, etc. and hoisting if required reconnecting and refixing in position of capacity exc 500 litres & not exc1000 litres including cleaning & removing all scale & dirt etc from tank with gunny bags, cleaning with fresh water and bleaching powder, complete all as specified and as directed.

S&F Ball brass valve, high pressure, with polythene float and flynut complete, screwed for iron pipe 25mm bore or brass ferrule and fixed complete all as specified and as directed

K. VENKATESH NAIDU (BID ID -3339904)

VP DEVELOPERS AND CONTRACTOR (BID ID -3347969)

docileworx (BID ID -3348576)