MISC REPAIR WORKS INCLUDING SEALING OF JOINTS, PAINTING TO RUNWAY/DISPERSAL AND ALLIED WORKS AT TECH AREA UNDER GE (AF) HASIMARA

Amount

M&L for racking of joints/removing of old sealing compound dirt from 40mm deep x 10mm wide expansion joint and cleaning the joints properly for full depth of PQC and filling with 20mm thick premoulded compressible filler polythylene closed cell type board as specified and applying closed cell, medium density, cross linked polythylene foam backup rod of 25mm dia over filler board, priming top 12mm with approved primer and filling with polyurethane based sealant, 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 direction of the manufacturer, complete all as specified and directed. (Note : Repair shall be carried by authorised Applicator of the manufacturer)

M&L for racking of joints/removing of old sealing compound dirt from construction/Dummy joint (25mm deep x 10mm wide) cleaning of joints properly by mechanical means for full depth, filled with closed cell, medium density, cross linked polythylene foam back up rod of 12mm dia for complete width of the joint, priming top 10mm with specified primer and filling with polyurethane based sealant, 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 direction of the manufacturer, complete all as specified and as directed. (Note : Repair shall be carried by authorised Applicator of the manufacturer)

Material and labour for preparation of old painted surface 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.)

All as per item No. 03 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.

Material and labour for 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.

Material and labour for 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.

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 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.

Dismantling carefully cracked rigid surface of Runway / Taxi Track / patches by using mechanical cutter like diamond cutter, (average depth 15 mm), sweeping, cleaning with compressed air blower, removal of all loose particles upto a distance exceeding 250m & n.exc 500m and filling with a mix of Epoxy Resin and Epoxy Hardner compound in proportion (2:1), mixed thoroughly with Quartz sand and Silica Powder each in proportion (1.5:4:4) (1.5 Part epoxy mixed with 4 part of quartz sand and 4 part of silica sand) including applying a coat of Epoxy Resin on the finshed top surfaces complete all as per manufacturers instruction and as directed by the Engineer-in-Charge. (Make :-(a) Epoxy Resin : Araldite Gy-257 of make Araldite or equivalent product of make M/s Fosroc Chemical (India) Ltd ,M/S Chowksy Chemicals (Mumbai), M/s Pidilite India Ltd /STP Ltd (b) Epoxy Hardner : Aradur-140 of make Araldite or equivalent product of make M/s Fosroc Chemical (India) Ltd ,M/S Chowksy Chemicals (Mumbai), M/s Pidilite India Ltd/STP Ltd)

Add to or deduct from item No 8 above for each 5 mm thickness or part there of above or below 15 mm complete ditto.

Labour only for rectification of defective level difference in between the joints of runway in two adjacent pavents by grinding existing raised slab edges by electrical hand grinder to achieve a true smooth surface in between the two pavements and removal of all dust from runway sufaces complete all as directed by the Engr-in-Charge. (Note: T & P required for this item shall be provided by the contractor without any extra cost to the Govt. The unit quoted rate shall deem to be inclusive of the same)

S&F in repair 2 layers of 8mm thick toughened glass panes with 12mm gap in between the glass and the space shall be sealed hermetically & entrapped air shall be dehydrated with drying agent complete all as directed. (Note: 2 layers of glass shall be measured as one unit)

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.

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

M & L for 100 mm thick, plain cement concrete 1:4:8, type D-2 (using 40mm graded stone aggregate) as in sub base of path/hard standing etc finishing cement concrete surface even and rough complete all as specified and directed.

M & L for 75 mm thick, plain cement concrete 1:2:4, type B-1 (using 20mm graded stone aggregate) as in path/hard standing etc finishing cement concrete 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 stacking the serviceable bricks after removing mortar and cleaning for re-use and disposal of debris and rubbish to a distance n.exc 100m as directed by the Engr-in-Charge.

M & L for 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.

M & L for rendering 15 mm thick in cement mortar 1:6 on fair faces of brick masonry or concrete surfaces and finishing the surfaces even and smooth without using extra cement complete all as specified and directed.

M & L for three coats of white wash on newly plastered surfaces of wall including preparation of surfaces, complete all as spefied and directed.

M & L for Forming 12 mm thick expansion joints, for 100mm thick slab, filled with pre-formed bituminous filler and top 30mm primed and sealed with sealing compound, Grade ‘B’, complete all as spefied and directed.

Material and labour for preparation of old painted concrete/runway surface by removal of casting paint/treatment by scraping, rubbing and washing and painting to limes/dashes/arrow latter etc over 10cm in width/grith with aqua base first drying runway making paint (TT.P-1952F) with retro reflactive property, white, orange, yellow or black colour manually not less than 300 micron dry thickness and applying simultaneously dispensed type I grass beads (BS 6088B) @ 300 complete grames/Sqm as per manufactures instruction with all necessary arrangement complet all as specified and directed by Engr-in-charge. Make : M/S STP Ltd/Shalimark/M/s Maruti Bitumen Pvt Ltd MARUTI SEAL PU (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.) Note: An amount of Rs. 750.00 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.

Mazumder Construction

DEEP NIRMAN

M/S. VINITA CONSTRUCTION

M/S I P GROUP

M/S BIJAY KUMAR SHIVA

SHRI D P AGARWAL

M/S BISHAL ENTERPRISES

M/S SARKAR ELECTRIC

M/S. NARENDRA KUMAR GARG