REPAIRS TO JOINT FILLING EPOXY MORTAR PAINTING AND OTHER RUNWAY CONNECTED WORKS TO ALL GROUND MARKS OF RUNWAY / PTT / DISPERSAL AND REPAIRS TO JOINT FILLING / COLD EMULSION / GROSS CUTTING AND CONNECTED WORKS AT AIR FORCE 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 including removal and cleaning of old sealing compound including bitumen filler pad 8to12mm thick to adjust joint and refilling of sealing compound grade 'B' not exceeding 30mm depth from 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 20mm average depth by hand held cutter and removing the debris and other foriegn material to a distance exceeding 50 mtr and not excedding 150 mtr 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 complete all as specified and as directed. Note : - Masking tapes to be utilised before pouring of PU of filling compound. PU compound filling to be done by using claucking gun/applicator gun. No manual means to be used.

M&L for cutting,racking out existing ceiling compound from joints of rigid pavements included racking split out sealing 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 30 mm average depth by hand held cutter and removing the debris and other foriegn material to a distance exceeding 50 mtr 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 all as per manufacturer insutructions complete all as specified and as directed. Note :- Masking tapes to be utilised before pouring of PU of filling compound. PU compound filling to be done by using claucking gun/applicator gun. No manual means to be used.

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 cold 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. (Note :- Emulsified bitumen shall be diluted with drinking water in proportion 60:40(3:2) dilution shall be 100%. Water should be added to the emulsion, and emulsion should never be added to the water)

M& L for preparation and painting of lines, dashes, arrows and letters etc on old painted concrete surfaces of Runway/ Airfield pavements not exceeding 10 cm width with an adequate number of coats of aqua/water-based white or golden yellow /black paint, for marking edges of paint straight in line by manually or road marking machinery complete all as specified and as directed.

M&L for Preparation of old surfaces of any description and applying two coats of white wash (Snow white colour) complete all as specified and as directed.

M&L for Grass cutting (manually using bush cutter/ by machinery where ever required as directed by Engineer - In- Charge) / surface dressing n.exc 15 cm deep in hard and dense soil along both sides of runway shoulders and as per reqired area of runway and disposing the cut vegetation exc 200 m but not exc 250 m distance away from the place, complete all as specified and as directed.

M&L for Cutting, Racking out sealent of expansion joint 18 mm to 22 mm wide and 30 to 33 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 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 Cold applied "Concrete FLO" for up to 15 mm 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.

Demolition of reinforced cement concrete of any description and in any position not otherwise specifically provided for complete all as specified and as directed.

Demolition of brick work or stone/ boulder masonry, built in cement mortar including all quoins, pillars etc.complete all as specified and as directed.

M&L for Cement concrete 1:4:8 type D-2 mix (using 40 mm graded stone aggregate) as in foundation, fillings and mass concrete complete all as specified and as directed.

M&L for RCC 1:2:4 type B-1 mix (using 20 mm graded stone aggregate) as in retaining wall,drains and the like of any thickness complete all as specified and as directed

M & L for precast RCC 1:2:4 type B-1 mix using 20 mm graded stone aggregate as in cover slabs with drainage hole n.exc 300mm c/c (for drain etc.) set in CM 1:6. including all necessary form work etc complete all as specified and as directed

M&L TMT bars 10 mm dia and over ,cut to length bent to shape required incl cranking, bending, spirally hooping for columns and binding with MS wire (annealed) not less than 0.90 mm dia wire etc complete all as specified and as directed.

M&L for steel form work to edge of concrete slabs, channels, breaks in floor, exceeding 5 cm but not exceeding 10 cm wide for rough finished flat surfaces of concrete complete all as specified and as directed.

M&L for using steel form work to sides of concrete footings plinth beams and similar work etc with rough finished surfaces complete all as specified and as directed.

M&L for rendering 15 mm thick on fair faces of brick work or concrete surfaces in CM 1:4 on walls and rendering is to be finished even and Smooth without using extra cement complete all as specified and as directed.

M & L Extra for forming fair finished drain or channel surfaces 30 cm inner girth in cement concrete, using extra cement, including forms, moulds, mitred / stopped ends etc complete all as specified and as directed.

NOTES :- (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.

GUTHIKONDA BROTHERS

B R C CONSTRUCTIONS

Mr Madhusudhan Kotarki

B Sreepathy Rao & Sons

D NAGI REDDY