REPAIRS TO JOINT FILLING EPOXY MORTAR AND OTHER RUNWAY CONNECTED WORKS TO ALL GROUND MARKS OF RUNWAY PTT AND DISPERSAL AREA AT AF STATION HAKIMPET

Amount

M&L for Cutting the existing edges/joints of PCC slabs/rigid pavements by handheld cutter and chiselling, removing loosened material to a distance exc 200 Mtrs and not exc 250 Mtrs and depositing in depressions including levelling, cleaning of concrete surface with compressed air of all dust, dirt, greese, bitumen, loose materials etc depth exceeding 40mm and not exceeding 80mm and filing with epoxy resin morter comprising one part of epoxy resin and five parts of quartz sand mix No 10 by weight after appling epoxy resin primer (Tack coat) @ 0.32 Kg/Sqm all as specified to match evenly the adjoining surefaces of existing PCC slab complete all as specified and as directed.

M&L for cutting,racking out existing ceiling compound from joints of rigid pavements included racking split out ceiling compound from edge at existing joints and removing the cacked out ceiling compound and other foreign material and forming joints up to 20 mm average width and up to 25mm average depth by hand held cutter and removing the debris and other foriegn material to a distance exceeding 50m and not excedding 150m depositing where directed by Engineer-in-Charge and cleaning the site and bottom of joints by compressed Air (Diesel Driven Compressor of suitable capacity). Preparing joints to receive polyurethane joint filling and primed with Rally prime - 190, sealed with Rallithane - 862, Polyurethane sealent with backup rod of suitable size manufactured by Chemetail - Rai India Ltd/ Fosroc Chemicals India Pvt Ltd or equivalent approved make complete all as specified and as directed.

M&L for cutting,racking out existing ceiling compound from joints of rigid pavements included racking split out ceiling compound from edge at existing joints and removing the cacked out ceiling compound and other foreign material and forming joints 20 to 30 mm average width and 25mm average depth by hand held cutter and removing the debris and other foriegn material to a distance exceeding 50m and not excedding 150m depositing where directed by Engineer-in-Charge and cleaning the site and bottom of joints by compressed Air (Diesel Driven Compressor of suitable capacity). Preparing joints to receive polyurethane joint filling and primed with Rally prime - 190, sealed with Rallithane - 862, Polyurethane sealent with backup rode of suitable size manufactured by Chemetail - Rai India Ltd / Fosroc Chemicals India Pvt Ltd or equivalent all as per manufacturer insutructions complete all as specified and as directed.

NOTE FOR SER ITEM NO 2 & 3 :- (i) Making good edges of joints shall be done with hand-held cutters. (ii) Diameter of the backup rod shall be 20-25% more than the width of joints to ensure a tight fit. (iii) Entire polyurethane joint filling shall be done with mechanical systems using a claucking gun/applicator gun. (iv) At places if the mechanical appliances become impractical GE's permission in writing shall be obtained for carrying out the joints filling manually. (v) The work shall be got executed through the authorised applicator of the manufacturer. (vi) The unit rate quoted shall be deemed to include for any excess width of the joints formed during cutting made good by the contractor. (vii) Masking tape shall be used duting filling of PU joints to avoid over flowing of PU material and ensure joint finishes.

M&L for Cutting, Racking out sealent of expansion joint 21 mm to 25 mm wide and 20 to 25 mm depth including scraping the spilled compound from edges of existing joints,cleaning the side and bottom of joints by compressed air including priming and filling the joints with the sealing compound grade 'B' up to 2mm below the top of slab and all as specified and including removing the scraped materials to a distance exceeding 250 mtr and not exceeding 500 mtr complete all as specified and as directed.

M&L for Cutting, Racking out sealent of construction/ dummy joint 15 mm to 20 mm wide and 20 to 25 mm depth including scraping the spilled compound from edges of existing joints,cleaning the side and bottom of joints by compressed air including priming and filling the joints with the sealing compound grade 'B' up to 2mm below the top of slab and all as specified and including removing the scraped materials to a distance exceeding 250 mtr and not exceeding 500 mtr complete all as specified and as directed.

M&L for Cold applied PU concrete crack filler for Airfield pavements for up to 15mm width and up to 20mm depth streaming concrete crack stuffer to fill cracks and joints on any concrete including cutting as much necessary,cleaning and removal of FOD out of runway complete all as specified and as directed. Make : - Concrete flow or equivalent approved make

M&L for Preparing of old / previously treated black top bituminous surfaces by brushing with wire brushes for removing loose dirt/dust, loose particles etc. and sweeping the surfaces with a mechanical blower to remove all loose particles etc and applying a coat of polymer modified bituminous emulsion evenly fast setting grade at 3.60 Kg / 10 Sqm (increasing to 7.2 Kgs by adding water) by mechanised means using spraying machine and thereafter brushing uniformly blending surface complete all as specified and as directed. (Emulsified bitumen shall be diluted with drinking water in proportion 60:40(3:2) dilution shall be 100%).

B R C CONSTRUCTIONS (BID ID -3330169)

Mavee Syndicate (BID ID -3330311)

Squad 7 Projects and Services Pvt Ltd (BID ID -3329190)

Haasith constructions (BID ID -3330004)

NEW GURBINDER INDUSTRIES (BID ID -3330632)

tulsani associates (BID ID -3327974)