REPAIR TO RIGID PAVEMENTS, JOINT FILLING, CRACK, SIGN BOARDS, PIN HOLES ETC AND CERTAIN B/R WORKS FOR AIRFIELD AREA AT AF STN ARJAN SINGH AND RAMPURHAT UNDER GE (AF) PANAGARH

Amount

Cutting and Raking out old sealing compound including damaged filler board and back up rod from the old existing expansion joints of size 25 to 35 mm wide including cleaning the joints portion throughly to ensure dust free using compressed air by air blower and filled pre moulded compressible synthetic filler board as per manufacturer instruction and provision of closed cell, medium density, crossed linked polythene foam back up rod of 35 mm to 45 mm dia or more, over 25 mm to 35 mm thick pre moulded compressible filler board, priming vertical top surface and 15 mm filled with polysulphide base sealant (complying with IRC-57-2018 (latest version), with min MAF +30% with 10 years performance guarantee) and finishing the joints properly leaving 3 mm gap from top surface of concrete, applying masking tape on edges of joint to prevent accidental spillage of sealant to give neat finish to sealant and removing the masking tape after filling of sealant all as per the directions of the manufacturer, complete all as directed by Engr-in-charge. (Note : (i) polysulphide Sealant should be filled by Sealant filler Gun only (ii) Detail measurement with location and purchase voucher of sealant entered in measurement book before payment (iii) Work shall not be executed where execution of works already under guarantee period (iv) All work executed in presence of Engineer-in-Charge or JE (Civ)).

As per Item No.01 here-in-before but without filler board.

Cutting and Raking out old sealing compound including damaged back up rod from the old existing joints of size 08 to12 mm wide and 15 mm (average) deep including cleaning the joints portion throughly to ensure dust free using compressed air by air blower and filling the existing joints with polysulphide based sealent (complying with IRC-57-2018(latest version), with 10 years performance gurantee) over polythene foam back up rod of 35 mm to 45 mm dia after applying a coat of primer to vertical surfaces of concrete which are in the contract with the compound and finishing the joints properly leaving 3 mm gap from top surface of concrete, applying masking tape on edges of joint to prevent accidental spillage of sealant and removing the masking tape after filling of sealant all as per the directions of the manufacturer, complete all as directed by Engr-in-charge. (Note : (i) polysulphide Sealant should be filled by Sealant filler Gun only (ii) Detail measurement with location and purchase voucher of sealant entered in measurement book before payment (iii) Work shall not be executed where execution of works already under guarantee period (iv) All work executed in presence of Engineer-in-Charge or JE (Civ)).

M & L for broken spalled edges of joints, tiny pot holes etc of existing concrete slab by cutting/forming, square/recangular grooves of size 25 to 50 mm wide and 20 to 30 mm deep with mechnical cutter wider towards bottom to form key with the existing quality concrete, cleaning & dusting the grooves using compressed air to remove all dust and dirt by air blower and repairing with elastomeric concrete after application of specified primer and removal of rubbish to distance exceeding 250mtr and not exceeding 500mtr and depositing complete as in repair all specified and directed by Engineer-in-Charge.

Repair to broken spalled edges of joints, tiny pot holes etc of existing concrete slab by cutting/forming square/rectangular shape and 20 to 30mm deep with Mechanical cutter wider towards bottom to from key with the existing quality concrete, cleaning / dusting the cutted area using compressed air to remove all dust and dirt by air blower and repairing with with epoxy resin mortar after application of specified primer and removal of rubbish to distance exceeding 250 m and not exceeding 500 m and depositing complete all as specified and as directed.(Make Huntsman/Sikador 32)

Raking out old sealing compound from the old existing joints of size 10-15mm wide and 15mm deep (average) without disturbing the joint filler underneath including cleaning the joints portion thoroughly to ensure dust free using compressed air by air blower, and filling the existing joints with sealing compound grade ‘B’ after applying a coat of primer to vertical surfaces of concrete which are in the contract with the compound and finishing the joint properly leaving 3 mm gap from top surface of concrete complete all as specified and as directed by Engineer-in-Charge.

Cutting joint between rigid and flexible portion with diamond cutter, of size 26 to 30mm wide and 28mm deep (average) without distrubing the nearby surfaces inlcuding cleaning the joints portion throughly to ensure dust free using compressed air by air blower, and filling the existing joint with polymer modified compound bitumen 40 after applying a coat of primer to verticle surface of concrete which are in the contract with the compound and finishing the joint properly leaving 3 mm gap from top surface of concrete complete all as specified and directed by Engineer-in-Charge.

M&L for pot/pin holes of existing concrete (PQC) slab n.exc 1 Sqcm, surface making to rectangular section removing all those foreign materials and disposing the same to a distance n. exc 500 mtr and cleaning the surface using compressed air by air blower and repairing with priming and filling elastomeric concrete. All work shall be carried out as per manufacture instruction, complete as in repair all as specified and directed by Engineer-in-Charge.

M&L for pot/pin holes of existing bitumenous pavement n.exc 2 Sqcm, preparation of surface by removing all those foreign materials and disposing the same to a distance n. exc 500 mtr and cleaning the surface using compressed air by air blower and applying primer of VG 10 bitumen and filled with 6mm stone aggregate and dust particles of (1:1) proportion and mixed with bitumen PMB 40 at 5.6% of total mix of aggregate & dust at appropriate temprature complete as all as specified and directed by Engineer-in-Charge.

Making good cracks in slabs (exposed rigid pavement) by cutting 'V' grooves 25 mm wide at top and 40 mm deep and cutting spalled joints sides perpendicular and parallel to edge by mechanical tools as specified, cleaning with compressed air and washing with chemical water solution under pressure and filling with epoxy resin mortar after application of specified primer and removal of rubbish to distance exceeding 250 m and not exceeding 500 m and depositing complete all as specified and as directed.

Providing services for hiring of 01 No BACKHOE LOADER not less than 0.55 cum GP shovel of loader performance (including 01 driver, 01 No helper, necessary fuel, oil and lubricant etc) with Hour Run including driver having valid licence, helper, POL, lubricants etc.for levelling of undulation portion and lifting of cable duct and drain covers around the Runway/Taxi track and link roads of Runway within Air Force Station Panagarh complete all as specified and as directed by Engineer-in-charge as and when required basis. (NOTE : (i) Reporting duty place is Runway site of Air Force Panagarh There will be no dead hours. The hours age for the purpose of "hours of duty" shall be reckoned from the point of reporting for duty to the point of T&P released. No hours will be allowed to drivers for lunch/breakfast/dinner/garaging or for drawn of petrol/diesel etc (ii) Detail measurement with location entered in measurement book before payment (iii) Document of backhoe loader, valid driving licence of driver and document of helper & driver shall be submit before commencement of work).

M & L for moorum/red bajri filling in floors or pavings, laid in layers not exceeding 15 cm thick, spread, levelled and rammed including watering compacting with 8-12 ton power roller to compact upto 98% modified proctor density complete all as specified and directed. (Note: Stack measurement shall be entered in measurement book datewise before payment)

M&L for preparation of old bituminous/black top surface by brushing with wire brushes for removing cake mud/loose particles etc. sweeping with broom and by compressed air blower and applying evenly polymer Modified Emulsion (PME) @ 5kg per 10 sqm complete all as specified and directed by Engineer-in-Charge.

M&L for framed work such as grills, gratings, etc., with ends of bars shouldered and/or riveted, or forged into spikes, framed guard bars, barred iron doors, ladders, framed balusters, walk ways, railings, framework of water tanks and similar work conforming to Fe 290, Gde E-165 including two coats of synthetic enamel paint over a coat of primer after dismantling of wrought iron or mild steel work of any type and size not otherwise provided complete all as specified and directed.

Note:- BOQ item No 1 to 14 shall be executed at Arjan singh Air Force Station Panagarh and Rampurhat runway as and when directed by GE (AF) Panagarh as per site requirement.

CLASSIC CONSTRUCTION AND SUPPLIERS (BID ID -3132657)

M/S CHATTERJEE CONSTRUCTION (BID ID -3145896)

SUPARNA TRADING (BID ID -3132778)