REPAIR/REPLACEMENT OF AIR FIELD LINK SIGN BOARDS AND ALLIED WORKS AT TECH AREA UNDER GE (AF) HASIMARA

Amount

Cutting/Scraping grass/wild growth and all vegetation etc by manually around the runway lights etc, stacking into heaps and removing off from the premises upto a distance exceeding 250m & n.exc 500m, complete all as specified and directed. (Note:- The work shall be carried out as an when asked in writing by the Engr-in-Charge atleast once in a month within the contract period.)

Cutting/Scraping grass/wild growth and all vegetation etc by using grass cutting machine (manually handled) around the runway lights etc, stacking into heaps and removing off from the premises upto a distance exceeding 250m & n.exc 500m complete all as specified and directed. (Note:- The work shall be carried out as an when asked in writing by the Engr-in-Charge atleast once in a month within the contract period.)

Demolition of un-reinforced cement concrete in ground floors and pavings n.exc 15cm thickness, (Below or above Ground level) and disposal of debris and rubbish to a distance n.exc 100m, complete all as directed by the Engr-in-Charge.

Hardcore with broken stones or boulders of gauge n exc. 63mm, deposited, spread and levelled in layers n exc. 15 cm thick, watered and rammed to a true surface, complete all as specified and directed.

125mm plain cement concrete 1:4:8, type D-2 (using 40 mm graded stone aggregate) as in sub base of path, hard standing etc and finishing surfaces of concrete in sub-floors, sub-bases, etc. even and rough, complete all as specified and directed.

150mm thick plain cement concrete (1:2:4) type B-1 (using 20 mm graded stone aggregate) as in path, hard standing etc laid in alternate bays and finished the surface even and smooth without using extra cement, complete all as specified and directed.

Demolition of brick work or stone / boulder masonry, built in cement mortar including all quoins, pillars etc and disposal of debris and rubbish to a distance n.exc 100m all as directed by the Engr-in-Charge.

Brick work with sub class 'B' bricks, straight or curved on plan exc 6m mean radius, built in cement mortar 1:6, complete all as specified and directed.

Rendering 15 mm thick on fair faces of brick work or concrete surfaces in cement mortar 1:6 and finished the surfaces even and smooth without using extra cement complete all as specified and directed.

Preparing newly plastered surfaces of walls, etc and applying three coats of white wash complete all as specified and directed.

Dismantling/taking down old unserviceable, damaged sign boards fixed in any position, complete all as specified and directed.

Excavating in post holes (or similar holes) each n. exc 0.5 Cum, getting out, returning, filling in and ramming earth or broken rubble mixed with earth around, in layers n. exc 25cm, watering and removing surplus soil to a distance n. exc 50m and making good surface in soft/loose soil, complete all as specified and directed.

Plain cement concrete 1:3:6, type C-2 (using 40 mm graded stone aggregate) as in foundation, filling and mass concrete, etc complete all as specified and directed.

Rolled mild steel hollow square/circular pipe in section as in framing, for making sign boards, fixed indepenently including 2mm thick mild steel sheet duly welded to pipe without connecting plates, or as in frame work for fixing flex sheet etc Fe-410W(Gde-E-250) quality-B, complete all as specified and directed.

Preparation of new steel surfaces of any description, over 10 cm in width or girth, not otherwise described and applying two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer, complete all as specified and directed.

Micro prismatic type retro reflective boards/sheet not less than 150 GSM pasted on steel sign board of any size duly marked letters and signs of any pattern duly laminated, complete all as specified and directed by the Engr-in-Charge.

Vinyal sheet not less than 120 GSM having photographic/letters writing in any colour and language fixed /pasted on steel sign boards of any size duly laminated, complete all as specified and directed by the Engr-in-Charge.

Flex sheet not less than 200 GSM fixed on MS hollow square pipe skelton/frame duly printed photographic/letter writings etc, in any colour and any language including necessary fixing arrangement as per site requirement, complete all as specified and as directed by Engineer-in-Charge. Note:- MS Square hollow pipe shall be measured and paid seperately under item No. 14 above.

Preparation of old painted surfaces of concrete/flexible pavement like Runway, taxi track, link etc, by removing the greasy materials, dirt, dust etc and applying one coat of water based road marking paint grade-2 conforming to IS 164-1981, of tint white/yellow/golden yellow as approved, as in lines, dashes, arrows, letters etc over 10cm in width or girth, complete all as specified and as directed by the Engineer-in-Charge. (Note :- Paint shall be applied on prepared surfaces of concrete in a manner, so that thick paint shall stand boldly and solidly on the surfaces without showing brush mark on surfaces applied for. Surfaces shall be finished by application of paint till desired result obtained.)

Description all as per item No. 19 above but on center line and applying one coat of plastic emulsion paint(of white tint), complete all as specified and as directed by the Engineer-in-Charge.

Painting lines, dashes, arrows, letters etc on roads, pavements and the like not exceeding 10cm width or girth with one coat of water based road marking paint Grade-2, conforming to IS-164-1981 (tint white/yellow/golden yellow as approved), complete all as specified and as directed by the Engineer-in-Charge.

Preparation of old painted concrete, asbestos cement or plastered surfaces and applying one coat of synthetic enamel paint (of approved tint) on surfaces of any description over 10cm width or girth, complete all as specified and as directed by the Engineer-in-Charge.

Raking out existing sealing compound from expansion joints of size 20 mm x 30 mm without disturbing filler board, cleaning the joints with compressed air blower , applying primer (suitable for grade ‘B’ sealing compound) and re-sealing the joints with grade ‘B’ sealing compound, complete all as specified and as directed by the Engineer-in-Charge

Raking out existing sealing compound from construction / dummy joints of size 12 mm x 30 mm without disturbing filler board, cleaning the joints with compressed air blower, applying primer (suitable for grade ‘B’ sealing compound) and re-sealing the joints with grade ‘B’ sealing compound, complete all as specified and as directed by the Engineer-in-Charge

Preparation of old treated bituminous /asphaltic surfaces (over-run both ends of Runway) by removing all vegetation, sweeping with brooms and finally clean by fanning with gunny bags to remove all loose dust, dirt and applying one thick coat of white wash by spreading on prepared surfaces thoroughly to stand out boldly, solidly without showing signs of bruss mark on painted surfaces, complete all as specified and as directed by the Engineer-in-Charge.

Preparation of old painted steel surfaces of any description, over 10 cm in width or girth, not otherwise described and applying two coats of synthetic enamel paint, complete all as specified and directed. Note: An amount of Rs. 16650.00 on account of credit schedule for schedule 'A' part - II shall be deducted from the total amount of BOQ to arrive at the contract sum.

M/S I P GROUP

M/S SARDAR MAL NAHATA

M/S BISHAL ENTERPRISES

MAA TARA TRADING

M/S SARKAR ELECTRIC

SHRI D P AGARWAL

SHRI SURAJIT SIKDER