PROVN OF INTERLOCKING TILES ADD ALTN TO ROOF AND FLOORING OF BLDGS P379 ARYABHATTA I AND ADDN ALTN TO ROOF AND WINDOW OF BLDG P500 AT INS TUNIR AT NAVAL STATION KARANJA

Amount

Dismantling of asbestos cement (corrugated, semi corrugated etc) sheets in roof coverings including ridges, wind ties etc complete all as specified and as directed.

S&F 0.50mm thick pre-painted galvalume aluminium zinc coating GI based corrugated steel sheet of any colour having tensile strength of 550 Mpa as in roof covering, fixed with self tapping screws etc complete all as specified and directed.

S&F Fibre glass reinforced translucent corrugated sheeting with two corrugations side lap fixed with L-type or J-type cranked hook bolts complete all as specified and as directed.

S&F 0.50mm thick pre-painted galvalume aluminium zinc coating GI based plain steel sheet of any colour having tensile strength of 550 Mpa as in valley gutter, ridge hips etc. fixed with self tapping screws etc complete all as specified and directed.

S &F MS flat iron wind ties and stays for gutter including securing with bolts and all necessary drilling bolting or riveting etc. conforming to Fe 410-0 or FE 310-0 Complete all as specified and directed.

M&L Preparation of new previously untreated steel and iron surfaces of any description not other wise described over 10 centimetre width or girth and applying two coats of synthetic enamel paint over a coat of pink primer complete all as specified and as directed.

Taking down cement plaster on brick or stone walls, etc., including raking out joints, hacking for key, scrubbing down with water, etc. complete all as specified and as directed.

M&L for rendering 15 mm thick in cement mortar 1: 6 on fair faces of brick work or concrete surfaces, finished fair and even complete all as specified and as directed.

M&L for rendering 20 mm thick on fair faces of brick/concrete surfaces with two coats i.e (15 mm thick backing coat in CM (1:6) and 5mm thick finishing coat in CM (1:4)) , finished even and smooth without using extra cement complete all as specified and directed.

Material and labour for preparation of new plastered surfaces of walls and applying two coat of oil distemper over and including 1-2mm thick wall care putty, and filling cavities with wall care putty filling after completely removal of existing treatment complete all as specified and as directed.

M&L for preparation of new or previously untreated plastered surfaces of walls and applying two coats of acrylic antifungal paint exterior grade paint CAMOUFLAGE PATTERN on one coat of primer complete all as specified and as directed.

M&L for preparation of old wall surfaces of any description & applying one coat of acrylic (antifungal) exterior grade paint of camouflage pattern complete all as specified and directed. (Note:- Item rate shall be include any height of Bldgs / Hangars for scafolding as all arrangement.)

Taking down aluminium chowkhat or frame with shutter (without taking off shutter from the frame),any size and removing from the site including cutting holes required for taking out existing hold fast, aluminium grill etc. complete all as specified and as directed.

Taking down aluminium frame with shutter of any size and re-fixing in same opening serviceable aluminium frame with shutter complete all as specified and as directed.

S&F for aluminium door/window/ventilator/partition, made out of extruded powder coated aluminium sections, with sliding or openable shutters including frame & necessary jointing cleats, glazing clips, powder coated aluminium snap beading,screws with UV proof rubber gusket all around the shutters etc, complete and also including powder coated aluminium fittings such as cobra hinges, butt hinges, tower bolts, hooks & eyes, peg stays and handles including connected items,with and including making good to the disturbed portion with its original specifications complete all as specified and directed.

S&F for concealed star lock powder coated for aluminium window fixed as per manufacturers instructions complete all as specified & as directed.

S&F for aluminium anodised grill of design DG 104 pattern made out of 10mm dia rod fixed with and including standard aluminium frame of F section of size 23.40mmx15.30mm & 1.4mm thick all as per manufactures instructions complete all as specified & directed. Make- Deco grill or equivalant

Hacking out old broken glass (any thickness, size, quality or description) from metal/wooden frame complete all as specified and as directed.

S&F 4 mm thick sheet glass, ordinary quality , glazing with oil putty or with rubber beading, area exceeding 0.50 Square Metre each pane complete all as specified and as directed.(Note- Rubber beading should be included in this items)

Dismantling of stone slabs & tiles of any description or thickness in floor aprons, cills etc laid bedded & pointed in any mortar complete all as specified and directed.

M&L for green marble 17/18 mm thick machine cut in skirting / dado,window sill, laid over cement screed, jointing and pointing with white cement slurry complete all as specified and directed.

Removing Chipping ,removing carefully loose and broken concrete by chiselling ,low impact hammer /picking etc upto a depth of 80 mm or of complete loose portion from soffit of slab, column, beams and similar structural members, cutting edges, clearing the dismantled portion with wire brushes etc to remove dust, dirt and other foreign particles etc and washing with clean water with pressure including necessary scaffolding etc,and removal of debris to out of MD land, complete all as specified and as directed.

M&L for Clean existing reinforcement with wire/ rotary wire brush, making the surfaces free from loose material dirt etc. complete and applying two coats of alkaline rust converting primer FEOVERT of Krishna Conchem or Roff rust cleaner of Piddilite or Dr. Fixit Rust removal or ShaliRust of STP Ltd. on the rebars, including cleaning the reinforcement, wirebrushing to remove loose rust spalls, wash the rebars with clean water within 3 min and wipe it dry.

M&L for applying two coats of Epoy based Zinc primer in a span of four hours over the treated rebars and allow to dry for six hours. The application shall be by brush. Epoxy primer for steel of make / brand - Corroseal-ZR of Krishna Conchem or Dr. Fixit Epoxy zinc primer

M&L for cleaning all loose laitance on the concrete substrate and applying one coat of epoxy bonding agent on exposed concrete surface to ensure bond between old concrete & new concrete by brush application. Make / brand Monobond SBR of Krishna Conchem or Dr. Fixit epoxy bonding agent or Shalicrete URP of STP Ltd.

M&L for rendering minimum 20mm to 40 mm thick polymer modified mortar in cemet mortar (1:3) with graded quartz sand with additive Monolith - PMM of Krishnaconchem or polymer mortar HB of Dr. Fixit or Shalifix RM SG 01 of STP Ltd. 15% by weight of cement in one coat with and including curing as per manufacturer's instruction complete all as specified and as directed.

M&L for Providing and applying jacketing around columns with Micro concrete (Molith-MC) M40 including all lifts, shuttering, drilling holes and fixing shear anchor as per specification complete.Note: Reinforcement shall be measured and paid separately.(Rates including jacketing, formwork and micro concrete)

M&L for applying concrete protection coating on finished structural members exposed to atmosphere make or brand IPNET of Krishna Conchem or New Coat from Dr. Fixit complete all as specified and directed.

M&L for Drilling and fixing Rohibb Teflon nozzles in RCC members, including drilling holes of 12mm dia, 50 to 100mm deep holes. Works shall be carried out as under :- (i) Cleaning of holes. Clean the holes by air blower prior to fixing nozzles. (ii) Fixing of nozzles. Insert 12mm dia. Rohibb Teflon nozzles in cleaned holes. External end of nozzles to be machine to receive outlet of grouting gun.Fix it inside the holes by applying thixotropic epoxy putty to ensure complete sealing. Cure the system for min.12 hrs. (iii) Cutting of nozzles. Cut the nozzles by chisel after completion of grouting without damaging structural elements. (iv) In case crack upto 2mm wide, fix the injection nozzels directly over the cracks, at intervals of 6 to 9 inches, using a drilling machine. Fix PVC/MS nozzels in these holes with fast-setting epoxy putty & let it dry for 2 to 3 days. Also, seal the crack between the ports with epoxy putty. (v) In case where the crack is wider than 2mm upto 4 to 5mm, drill holes at the sides of the crack in a staggered fashion, at intervals of 6 inches and affix them with epoxy putty as mentioned above. (vi) Also, seal the face of the carck with a liberal application of the epoxy putty.

M&L for Injecting of site mixed cement slurry grout, mixed in specified proportion containing cement, sand water with addition of plasticizers (approved make) & migratory corrosion inhibitors, water cement ratio shall be varied between 0.5 to 1.0 for each hole, shrinkage compensating cement slurry mixed to a lump free fresh creamy consistency ,Mixing shall be done by mechanical mixer continuously stirring mechanically to keep cement particles in suspension. Injection of approved/specified grout by means of pump at a pressure of 3-5 Kg/cm2 etc complete till the grout mix flows out from the nozzle indicating complete filling of grout in the holes drilled. Make / brand of Epoxy grout - Dr. Fixit Epoxy injection or EPCO KP-HP-250 of M/s Krishna Conchem or Shaligrout EI of STP Ltd.

M&L for Injecting low viscosity (3-5cps) high molecular weight monomer by pressure and using mechanized injector gun with accessories till nozzles refuses to accept the grout, Including,Mixing of materialas:Mixing of material components(part a&b) in the required quantities as per manufacturer's instruction by weigh batching.Grouting:Fill the grouting gun with concrete penetrating corrosion inhibitor EPCO-KP-100/Protectsil CIT or Ferogard 903. Maintain desired pressure in the gun by air compressor; maintain the pressureat exit(2 to 3kg/cm2) by monitoring pressure guage at exit.Grout the material through prefixed nozzles in the structural elements@ 100ml per nozzle. Repeat the process for all the nozzles.

Replacement of steel reinforcement with TMT bars of appropriate size where 30% of cross section is reduced including dismantling of rusted steel complete all as specified and directed.

Providing and fixing additional main steel bar or stirrupsof designed diameter in various structural elements like column ,beams and foundations including drilling ,bending and fixing the bars with epoxy putty etc. complete (Steel provided on the basis of 1% of volume of concrete).

M&L for preparation of old painted surfaces of steel any description over 10 cms width or girth and applying one finishing coat of synthetic enamel paint on steel surfaces complete all as specified and directed. (Note:- Item rate shall be include any height of Bldgs / Hangars for scafolding as all arrangement.)

Roughening surfaces of old concrete floor by picking, sweeping clean and washing down with water to remove dust, etc complete all as specified and as directed.

M&L for 100mm thick PCC (1:2:4) type B-2, using 40mm graded stone aggregate as in hardstanding, laid in panels, glass strip inserted in position and surface finished even & fair without using extra cement complete all as specified and as directed.

M&L for glass dividing strips, 3 mm thick and 38 mm wide fixed in floors complete all as specified and as directed.

Complete removal of existing PVC tiles /sheets, of any description in any position including cleaning, wire brushing, watering, removal of debris upto 1500mtr distance complete all as specified and as directed.

S&F for PVC tiles /sheets, of 2mm thick laminated plain coloured homogenous, laid with approved rubber based adhesive in floors all as specified and directed.

Demolition of brick work built in cement or cement lime mortar including rubbish off the premises complete all as specified and as directed.

M&L for Brick work with sub class ‘B’ bricks, straight or curved on plan exceeding 6m mean radius, built in cement mortar 1:6 complete all as specified and as directed.

Surface excavation n.exc (not exceeding) 30 cm deep and averaging 15cm deep and getting out in hard/densae soil complete all as specified and as directed.

M&L for Hardcore of gauge of borken boulders n exc. 63mm, deposited, spread and levelled in layers n exc. 15 cm thick, watered and rammed to a true surface complete all as specified and as directed.

M&L PCC 1:4:8 type D-2 using 40 mm graded aggregate as in sub base to flooring complete all as specified and as directed.

Material and labour for Machine pressed precast concrete interlocking paver block glossy coloured any shape and size confirming to IS 15658-2006 of 80mm thickness , M-35 grade (With grey cement and Pigment complete all as specified and directed.

Material and labour for 50 mm thick sand cushioning for laying interlocking paver block complete all as specified and directed.

M&L PCC 1:2:4 TypeB1 (20 mm graded aggregate ) as in coping, bed block ,edges of tiles etc complete all as specified and directed

M&L Pre-cast cement concrete cover slab for manhole and drain cover in plain cement concrete 1:2:4 type B-1, (using 20 mm graded stone aggregate) set in cement mortar 1:4 with plain faces complete all as specified and as directed.

M&L for mild steel TMT bars 10 mm dia and over cut to length, bent to shape required, including cranking, bending spinally for hooping for columns, hooking ends and binding with and including mild steel wire (anneated not less than 0.9 mm dia or securing with clips quality conforming etc. complete all as specified.

Removing excavated material /old debries distance exc. 250 m but n exc. 500 m and depositing where directed complete all as specified and as directed.

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