REPAIR TO RIGID/ FLEXIBLE PAVEMENT INCL CRACK REPAIR AND CONNECTED ITEMS FOR RUNWAY, PTT LINKS AND DISPERSAL AREAS AT AFS JODHPUR

Amount

Supply and fixing in repairs taxiway / runway sign board having UV protected face plate on both sides not more than 1.0 Sqm each consisting of non-metallic materials support structure having min tensile strength 4000.00 Kg/ Sqcm impact strength of 139.00 Kg/Sqcm, and able to withstand wind speed of 30m/s, with high intensity prismatic grade retro reflective sheeting as base and with cut out message (legends boarders letters numerals etc) sign board frame shall fixed in frangible coupling embedded in PCC 1:2:4 type B1 block of size 15cm x 15cm x 15cm complete all as specified and directed by Engr-in-Charge.

Supply and fixing in repairs taxiway / runway sign board having UV protected face plate on both sides size exceeding 1.00 Sqm but not exceeding 2.00 Sqm each consisting of non-metallic materials support structure having min tensile strength 4000.00 Kg/ Sqcm impact strength of 139.00 Kg/Sqcm, and able to withstand wind speed of 30m/s, with high intensity prismatic grade retro reflective sheeting as base and with cut out message (legends boarders letters numerals etc) sign board frame shall fixed in frangible coupling embedded in PCC 1:2:4 type B1 block of size 15cm x 15cm x 15cm complete all as specified and directed by Engr-in-Charge.

Supply and fixing in repairs taxiway / runway sign board having UV protected face plate on both sides size exceeding 2.00 Sqm but not exceeding 3.00 Sqm each consisting of non-metallic materials support structure having min tensile strength 4000.00 Kg/ Sqcm impact strength of 139.00 Kg/Sqcm, and able to withstand wind speed of 30m/s, with high intensity prismatic grade retro reflective sheeting as base and with cut out message (legends boarders letters numerals etc) sign board frame shall fixed in frangible coupling embedded in PCC 1:2:4 type B1 block of size 15cm x 15cm x 15cm complete all as specified and directed by Engr-in-Charge.

M&L for raking out sealing compound from existing expansion joints of dimension 25 mm to 30 mm wide and 45 mm deep, removing the debris from site by sweeping the concrete surface with brooms, cleaning with compressed air, treating sides and bottom of the joints with primer as per manufacturer's directions and filled with preformed closed cell polyethylene backup rod/strip of 25-32 mm dia, sealing with pitch free polyurethane grey sealant (minimum depth of sealant above backup rod shall be 10 mm) conforming to BS-5212 (Type FB) and applying masking tape on edges of joints to prevent accidental spillage of sealant and removing the masking tape after application of sealant complete all as specified and directed.

Ditto all as per item No 4 above but construction/dummy joints of dimension 16 to 24 mm wide and 40 mm deep and backup rod/strip of 16-25 mm complete all as specified and directed.

Ditto all as per item No 4 above but construction/dummy joints of dimension 10 to 15 mm wide and 30 mm deep and backup rod/strip of 13-18 mm complete all as specified and directed. Note for Srl item No 4 to 6 :- Incase of any variation in width or depth of joint, the same is deemed to be included in quoted rates by the contractor as in Sch 'A'/BOQ items as above. The contractor shall not be entitled for any extra claim on this account.

Material and Labour Chipping and/or neatly Cutting of existing loose concrete at cracks on Runway/Taxi track/ pavement by using diamond cutter. Cutting of cracked portion shall not be less than 100 mm wide and 45 mm deep. Cleaning the dirt and all loose material fanned with air blower and air blasting the cleaned surface applying proprietary primer on surfaces to obtained tack and finally filling in Elastomeric Concrete, (Mix shall be prepared as per manufacturer) to obtained a true surface and finally tooling the set surface with hand tools complete all as specified and directed. Note :- (i) The rate shall be include for providing masking tape at joints and formwork required if any at spalled joints edges. (ii) The quoted rate deemed to be included for making good to disturbed joint filling around the area where material is applied. (iii) All material shall only be procured directly from manufacturer.

Material and Labour Cutting existing loose patches / spalled edges of concrete pavement in square / rectangular/ triangular shape to a depth not less than 25mm removing debris out side MD land sweeping the patches with broom, cleaning with compressed air and applying epoxy resin mortar (proportion as specified) incl necessary form work for sides of joints, sprinkle , a thin layer of dust free fine sand (QUARTS SAND 10 No) and applying a coat on top of surface with epoxy resin primer @ 0.45 Kg/Sqm and finally filling the joints with sealing compound complete all as spd and as directed by Engr-in-Charge (Sealing of joint shall be measured under respective item separately).

M&L for repair to potholes/patches on runway operating surface up to 100mm deep including cutting of existing flexible concrete surface in vertical to making the potholes in square/rectangle shape & size. Remove debris outside MD land and cleaning the dust with air blower, the cleaned and dry surface making good by applying cold emulsion and filled with instant road repairing bituminous premix in hot condition including well rolled and compacted with 8 to 12 tonne power roller to required camber and gradient including necessary arrangement for working in night conditions and all required T&Ps complete all as specified and directed.

Supply & fixing in repairs 4 mm thick PVC Acrylic sheet for light sign board with one side clear sheet and one side encrepted sheet with black/white letter and yellow/black back side and fixed withself adhesive sheeting on runway board and sign boards as lines, dashes, arrows, letters etc including removing old/existing sheeting complete all as specified and directed by Engineer-in-Charge. Make :- 3M, dark Eye or equivalent as approved by GE NOTE:- The work will be carried out as per user requirement from 1830 hrs to 0600 Hrs or as directed. The deployment of labour and T&P arrangement on the Runway shall be intimated to the contractor by 0800 Hrs each day in the morning. The contractor shall be provide necessary arrangement such as lights, portable generator, pneumatic road roller, bitumen paver, bitumen sprayer and other required T&P etc and quote the rate accordingly for considering late working hours at night. Nothing extra will be paid on this account.

M&L for cutting out flexible surface from existing joints of dimension 12mm wide and 25 mm deep, removing the debris from site by sweeping wire brushing, cleaning and applying a coat of bitumen primer to the sides and bottom of the joints and sealing with PU bitumen based sealant including backup rod conforming to IS 1834-1984, complete all as specified and directed.

Demolition of cement concrete (unreinforced) in ground floors and pavings not exceeding 15 cm thickness (below or above ground level) and removing the demolished material or debries out side MoD land complete all as specified & directed by the Engineer-in-Charge.

M&L for cement concrete 1:2:4 type B1 (using 20 mm graded aggragate) in foundation, filling and mass concrete complete all as specified and as directed

M&L for cement concrete 1:4:8 type D2 (using 40mm graded crushed stone aggregate) in foundation, filling and mass concrete complete all as specified and as directed by the Engineer-in-Charge.

Providing and laying 80mm thick factory made chamfered edge cement concrete paver block of M-40 grade with approved colour, design & pattern as in footpath, parks, lawns, drive ways or light traffic parking etc., of required strength, thickness & size/ shape, made by table vibratory method using PU mould, laid in required colour & pattern over and including 50mm thick compacted bed of coarse sand, compacting and proper embedding/ laying of inter locking paver blocks into the sand bedding layer through vibratory co mpaction by using plate vibrator, filling the joints with fine sand and cutting of paver block as per required size and pattern, finishing and sweeping extra sand; complete

M&L for clearing/cutting bushes, scrubs, grass, vegitation from side/berms/shoulders of Runway/PTT/Taxi/Dispersal and adjoining area by manual / mechanical means (by using jungle jim or petrol grass cutter machine in adequate numbers) as per site requirment including transport for removing all the debries out side MoD land complete all as specified and as directed. Note for all items The work will be carried out as per user requirement from 1830 hrs to 0600 Hrs. The deployment of labour and T&P arrangement on the Runway shall be intimated to the contractor lby 0800 Hrs each day in the moring. The contractor has to provide necessary arrangement such as lights etc and quote the rate accordingly for considering late working hours at night. Nothing extra will be paid on this account.

J S Construction Company (BID ID -3361284)

Om Trading Corporation (BID ID -3363028)