REPAIR TO ELASTOMERIC AND PU JOINTS , CRACK FILLING , JOINT FILLING AND EPOXY REPAIR AT RUNWAY AREA IN TECH AREA AT AF STN SURATGARH

Amount

BOQ (REPAIR TO ELASTOMERIC AND PU JOINTS , CRACK FILLING , JOINT FILLING AND EPOXY REPAIR AT RUNWAY AREA IN TECH AREA AT AF STN SURATGARH)

Raking out existing sealing compound from expansion, contraction & dummy joints of width exceeding 10mm but not exceeding 20mm in concrete and upto 25mm deep by mechanical means operated with electric, preparing and cleaning of sides, bottom and edges of adjoining slabs with solvent soaked cloth to remove sticked old sealing compound completely, cleaning the surface of the joints with wire brushes and finally removing and cleaning dust etc with compressed air to make it free from all foreign particles, filling with Polyurethane joint sealing compound using mechanical means to a minimum depth exceeding 8mm but not exceeding 10mm (depth minimum above the backup rod) with minimum performance guarantee of 10 years and minimum movement accommodation factor (MAF) + 30% confirming to the requirement of BS-5212 and EN 141875-2003 of hydrolysis/water resistance including one coat of primer and providing approved quality closed cell polythene back up rod/back up sheet of required size & shape over existing bituminious joint filler board in position applying masking tape on edges to prevent accident all slippage on solvent on top surface and to give a neat finish to sealent and removing the masking tape after sealent is applied as required complete all as per manfacture instructions including removal of loose & foreign materials outside MoD land, complete all as specified and directed by Engineer-in-Charge.

All as per serial item No 1.00 above but width of joint exceeding 20mm but not exceeding 30mm and to a minimum depth exceeding 10mm but not exceeding 12mm (depth minimum above the backup rod) complete all as specified and directed by Engineer-in-Charge.

All as per serial item No 1.00 above but width of jointexceeding 30mm but not exceeding 40mm to a minimum depth exceeding 10mm but not exceeding 12mm (depth minimum above the backup rod) complete all as specified and directed by Engineer-in-Charge.

All as per serial item No 1.00 above but width of joint exceeding 40mm but not exceeding 50 mm to a minimum depth exceeding 10mm but not exceeding 12mm (depth minimum above the backup rod) complete all as specified and directed by Engineer-in-Charge.

Note for serial item No 1 to 3 : (i) Where ever depth of joints exceeds 25 mm, the additional depth shall be filled with preforated bituminous filler board without any extra cost. (ii) Complete quantity of material required shall be supplied in advance within 15 days of commencement of work. (iii) Due to severity of runway maintenance work for smooth runway operation work is completed within time frame. In view of the above reason Rs 1000/- per day deducted over workdone amount if contractor shall not start the work within one week or delay without any valid reason after site order signed by contractor. Make for item No 1 to 3 for PU Jiont : Choksey chemicals/ Sika India Pvt. Ltd. / Pidilite Idustries Ltd/ M/s AMEYA Dye Chem Pvt Ltd (ADPL) / M/s Cipy Polyurethane Pvt Ltd / AI Stone / BASS / STP Ltd / Denson / BostiK (Product name - "SEAL N FLEX" & "SEAL N FLEX 2K" Make for item No 1 to 3 for Backup Rod : STP Ltd./ Supreme India Ltd.

Material and Labour for repairing to concrete slab surface (depressed portion/cracked portion) by cutting damaged/spilled portion and concrete pavement by mechanical equipment into rectangular crossed section, removing useless and worthless all loose and foreign materials etc to a distance exceeding 500m but not exceeding 1000 meter cleaning the surface thoroughly with brushes and finally with compressed air, including filling and levelling the surface, priming the patches with special primer recommended by manufacturer and filling with modified ready mix ELASTOMERIC concrete not exceeding 50mm depth, including form work where required all as per manufacture's instructions complete all as specified and directed. MAKE: Dr Fixit / Bostik / Chokesy Chemical / STP LTD (Product Name "Flex O Patch") or equivalent. Note : Complete quantity of material required shall be supplied in advance within 15 days of commencement of work.

M&L raking out existing sealing compound from expansion, contraction & dummy joints of width exceeding 20mm but not exceeding 25mm in concrete/bituminous pavement and upto 25mm deep by mechanical means operated with electric, preparing and cleaning of sides, bottom and edges of adjoining slabs with solvent soaked cloth to remove sticked old sealing compound completely, cleaning the surface of the joints with wire brushes and finally removing and cleaning dust etc with compressed air to make it free from all foreign particles, priming the sides and bottom of expansion, construction and dummy joints with primer for grade 'B' sealing compound and sealing the joints 20mm to 25mm x 25mm deep (leaving a clear space of 5mm at top in winter and 3mm top in summer) with sealing compound Grade 'B' heat resistant including cutting edges of bituminious / concrete surface to a depth 30mm with mechanical diamond cutting machine with and including removal of loose & foreign materials outside MoD land, complete all as specified and directed by Engineer-in-Charge. Make : Shalimar Tar products / Tiki Tar products / New Gurvinder Industries, New Delhi / MK Petro Industries / STP Ltd / Bostic.

"Preparation of surfaces after complete removal of old existing painting from concrete /bituminous surfaces and applying two coats of acrylic water based road marking paint over the lines, dashes, arrows letters etc. on concrete / bituminous pavement exceeding 10cm width, complete all as specified and directed by Engineer-in-Charge. Make: APCOTRAC OF ASIAN PAINTS / BERGER PAINTS / NEROLAC PAINTS

Contract Amount shall be derived General Summary on serial page No 17 of tender documents.

SRI SAI CONSTRUCTION COMPANY