CERTAIN REPAIRS TO RUNWAY AND ANCILLARIES INCL RUNWAY PAINTING, REPAIR TO JOINT SLAB, ELASTOMERIC CONCRETE, EPOXY AND GRASS CUTTING, JUNGLE JIM/ROTAVATOR IN TECH AREA AT AF STN CHANDIGAH

Amount

M&L for repair to cracks/pot holes/patches/edges etc in existing concrete slabs/pavement by cutting out damaged portion around the pot holes/damaged edges with mechanical means into regular shape and size, removing the loose material to a distance exc 500 metre but n.exc 1000 m and cleaning the cut out portion with compressed air to remove all foreign materials like dust, dirt, loose aggregates etc, priming the pot holes/patches with Compatible Primer recommended by manufacturer and filling with Modified Elastomeric Concrete in proper level and shape to flush with the existing slab and joints including necessary form work complete all as specified and as directed.

M&L for repairs to pot holes/patches/edges etc in existing cement concrete pavement by cutting out existing damaged portion around the pot holes/edges with mechanical means into regular shape and size, cleaning the surface with compressed air/other means to remove to all dust/loose particles etc and disposing off to a distance exceeding 500 mtr but nexc 1000 mtr and applying one coat of Epoxy Primer using clean and dry brush, filling with Epoxy Mortar all as per manufacturer's instructions in proper level and shape to flush with the existing slab and joints including necessary form work complete all as specified and as directed.

M&L for applying one coat of Water Based Paint after preparation of old surfaces as per manufacturer's instructions for making lines, dashes, arrows, letters etc. on bituminous/concrete roads, pavement, runways and other simillar surfaces exc. 10 cm width or girth, with road marking paint/traffic paint (water based) conforming to the requirements of IS-164 (1981) of White, Golden, Yellow, Deep Orange, PO Red and Black Tint or any other shade (thickness in micron not less than DFT 50 micron) as approved by the GE in consulation with AF Authoriities/Users by using fully/semi automatic paint applicator machine (using cold air less spray/striper machine with minimum two spray guns) with and including scraping existing water based paint/reflective paint manually by wire brushes, steel scrappers, brooming down the surface and removing the debries outside the runway area complete all as specified and as directed.

M&L for applying road marking strips with water born paint (WBP) having DFT 240 micron (retoreflective), by using fully/semi automatic paint applicator machine (using cold airless spray/striper machine with minimum two spray guns), driven by experienced operater on road surface, including application of high index glass beads @ 300 gms per square metre (TTB1325 Type-III) after cleaning the road surface of all dirt, oil, grease, foreign material etc, in accordance with applicable specifications on bituminous surface/concrete, colour of paint shall be white/yellow/Black/Red or any colour as approved by the GE in consultation with AF Authorities, marking surfaces exceeding 10 cm in width or girth complete all as specified and as directed. Make/Specifications of the Machine to be Deployed : Graco line lazer 3900 with 2 guns and the maximum GPM (LPM): 160(6.0). PSI (Bar):3300(227), Engine CC(hp):120cc and maximum tip size:0.029 or fully compatible other machine with the same output quality Note for Item Nos 1 to 4 : Work shall be executed by the authorised applicator of the Manufacturer/Company and the same be got approved from the GE before commencement of work.

M&L for repairs to existing dummy joints of concrete pavement by Racking out old existing unserviceable sealant compound and back up rod of the joints by special tools like cutting blades/machines, widening the joints by 2 mm by using joint cutting blades of appropriate size straight and smooth edges. Cleaning the joints thoroughly with application of compressed air/vacuum cleaned and free of dirt, oil vegetation and other debris to make joints clean and dry, applying two coats of primer with thin brush by forward and backward movement at an interval of 30 minutes before placing the backup rod and pouring the sealant. Thereafter filled with closed cell, medium density, cross linked polyethylene foam backup rod of 8 mm dia for complete length of the joint, over it to be filled with polyurethane joint sealant meeting the requirements mentioned in BS-5212, BS 4254 and EN-141875- 2003 with minimum movement accommodation factor (MAF) of +/- 30% complete all as specified and as directed.

M&L for repairs to existing construction joints of concrete pavement by Racking out old existing unserviceable sealant compound and back up rod of the joints by special tools like cutting blades/machines, widening the joints by 2 mm by using joint cutting blades of appropriate size straight and smooth edges. Cleaning the joints thoroughly with application of compressed air/vacuum cleaned and free of dirt, oil vegetation and other debris to make joints clean Jand dry. Applying two coats of primer with thin brush by forward and backward movement at an interval of 30 minutes before placing the backup rod and pouring the sealant. Thereafter filled with closed cell, medium density, cross linked polyethylene foam backup rod of 12 mm dia for complete length of the joint, over it to be filled with polyurethane joint sealant meeting the requirements mentioned in BS-5212, BS 4254 and EN-141875- 2003 with minimum movement accommodation factor (MAF) of +/- 30% complete all as specified and as directed.

M&L for repairs to existing expansion joints of concrete pavement by Racking out old existing unserviceable sealant compound and back up rod of the joints by special tools like cutting blades/machines, widening the joints by 2 mm by using joint cutting blades of appropriate size straight and smooth edges. Cleaning the joints thoroughly with application of compressed air/vacuum cleaned and free of dirt, oil vegetation and other debris to make joints clean Jand dry. Applying two coats of primer with thin brush by forward and backward movement at an interval of 30 minutes before placing the backup rod and pouring the sealant. Thereafter filled with closed cell, medium density, cross linked polyethylene foam backup rod of 30 mm dia for complete length of the joint, over it to be filled with polyurethane joint sealant meeting the requirements mentioned in BS-5212, BS 4254 and EN-141875- 2003 with minimum movement accommodation factor (MAF) of +/- 30% complete all as specified and as directed.

Surface dressing not exceeding 15cm deep and getting out in soft/loose soil along the runway shoulder including grass vegetation, shrubs and earth work upto width of 3.0 metre from the edge of runway, taxiway, surrounding blast pens or similar work and removing the debries outside the MOD land to the designated place as earmarked by the civil administration complete all as specified and as directed.

Providing and operating twoTractors (with Operators) with Jungle Jims for removal of grass shrubs/vegetation, scraping/cutting or ploughing with Harrow/Cultivator) on requirements basis (within 48 hrs of Notice/ demand) including two casual labourers for removing the rubbish from site to out side MoD land to the designated place as earmarked by the civil administration complete all as specified and as directed.

Providing and operating two Bush cutters (with Bush cutter Blades) with operators for grass shrubs/Vegetation scraping/cutting on requirement basis (within 48 Hrs of Notice/demand) including two casual labourers for removing the rubbish from site to out side MoD land to the designated place as earmarked by the civil administration complete all as specified and as directed.

M&L for applying one coat of Oil paint (road marking paint/traffic paint white or golden yellow in tint or any other shade approed by the GE) after preparation of surfaces as per manufacturer's instructions for making lines, dashes, arrows, letters etc. on road/pavements, runways and other simillar surfaces exc 10 cm width or girth complete all as specified and as directed. Note for Item Nos 1 to 11 (a). The Contractor may note that 05 Hours of closed slot is available on every Sunday from 0830 hrs to 1330hrs for execution of items of BoQ pertaining to Runway/Taxi/ Apron. The slot is tentative and can be increased/decreased as per availability by the Airport Authoriities. The work is to be executed to the entire satisfication as per contract provisions and best Engineering Practice. A CPM Chart is to be prepared with available slot and kept on record duly signed by the Contractor and Engineer-in-Charge.

(b). Minimum two JCBs with needle type hydraulic appratus, two air blower for dismantling & taking out the existing dense asphaltic concrete and four Nos of electric dimond cutter with two electric Gen set required to cut the dense asphalt concrete in required shape and size at flexible portion of runway is to be deployed well before the commencement of the work in slots when ever required. (c). All necessary arrangements for working at night (if permitted) during runway closures will be made by contractor without any extra cost to the Govt. including sufficient light arrangements through Gen set. (d). The entire work on each closures is to be executed at two different locations by deploying two teams of skilled labour alongwith T&P required in each shift of 05 hrs. (e) Contractor shall arrange/provide the safety life jackets for all concerned Trademen, labour and supervisor deployed at site. (f) Contractor shall also provide at site the necessary precautionary Sign boards and Flags. (g) All arrangements shall be made to comply the rules/regulatuons of the airfield aurthorities. (h) The quoted rates shall deem to be included for above provisions and nothing extra shall be admissible on this account.

Anil Kumar Gupta (BID ID -3194949)

Baba Engineers and Contractors (BID ID -3194112)