SPECIAL REPAIR TO ROADS IN MES COMPLEX AT NAVAL BASE UNDER GE NAVY PORBANDAR

Amount

Scarifying the damaged road surface by mechanical means of gravelled, macadam or bituminous macadam surfaces in area not exceeding 400 sqm, & deep exceeding 75 mm but not exceeding 150 mm including staking the stone in side of road and removing of unwanted material outside complete all as specified and directed.

M&L for 75 mm thick (Compacted thickness) WBM of granite, trap or basalt with coarse aggregate of gradingg 2 (63 to 40mm size), spread, rolled and consolidated to gradient and camber required complete all as specified and directed.

Ditto all as per Item No. 2.00 above but except stone complete all as specified and directed.

Repair to pot holes any depth, not exc 1 sqm each including sweeping free from dust and mud, or water , scoring sunken surfaces in roads, paths, etc. cutting around edges to at least 25 mm in depth, making good by applying tack coat 5kg/10 sqm, putting in premixed bituminous macadam (minimum binder content of min 4% by weight of total mix as per design mix using VG30) well rammed and sealed with binder 9.80 kg/10 sqm, blinded with 0.09 cum of stone chippings, 6.30mm size and again well rammed (including supply & laying premixed macadam binder and chippings), depth of pot holes exc 70 mm complete all as per IRC specifications complete all as specified and directed.

Material and labour for dense bituminous macadam not exceeding 50mm consolidated thickness using hot mix plant and mechanical paver with min 4% binder (paving bitumen VG-30 grade) content by weight of total mix, rolled and compacted with power rolled 8 to 10 tonnes to required cambar and gradient complete all as specified and directed. Note :- 1. Works to be carried in places and also patch repairs to depressions over 50 mm shall be carried out under this item. Rate under this item includes for cleaning the surface of pot holes and depressions and removing of the rubbish meterials as per site requirement. 2. Prepatation of mix in hot mix plant spreading by self propelling mechanical paver and rolling and compaction by set of rollers/vibrator as specified in particular specifications shall be carried out in hot mix plant which may be installed at distance as per norms but contractor shall be responsible to maintain the required temperature of mix under all conditions till it is laid and compacted. Unit rate against these items shall include for carrying out the works with deployment of these machinery for which nothing extra shall be payable and no deley in completion of work shall be acceptable. 3. During transit of material from hot mix plant to site shall be covered by tarpolin/ necessary covering.

M&L for preparing unsurfaced water bound macadam surfaces of road by brushing with wire brushes for removing caked mud etc, sweeping with brooms and finally fanning the cleaned surfaces with gunny bags to remove all loose dirt etc and applying evenly a tack coat of Cationic Bitumen Emulsion (SS-1) conformin to IS:8887 at a rate of application of 0.7-1.0 kg/sqm on bituminous surface as specified in Table 500-3 of MoRTH specification for road and bridge works 2013 using mechanical sprayer after cleaning of existing surface complete all as specified and directed.

M&L for preparing existing black top surfaces of road by brushing with wire brushes for removing caked mud etc sweeping with brooms and finally fanning the cleaned surfaces with gunny bags to remove all loose dirt etc and applying evenly a tack coat of Cationic Bitumen Emulsion (RS-1) conformin to IS:8887 at a rate of application of 0.2-0.3 kg/sqm on bituminous surface as specified in Table 500-5 of MoRTH specification for road and bridge works 2013 using mechanical sprayer after cleaning of existing surface complete all as specified and directed.

M&L for laying bituminious premixed asphaltic dense concrete 40mm consolidated thickness with 5.5 % binder content as in semi dense asphaltic concrete binder conten by weight of total mix rolled and compacted or required gradient and camber men grade VG-30, rolled and compacted with 8 to 10 tonne capacity power roller to required gradient and camber to a smooth uniform surface complete all as specified and directed.

M&L for applying one coat of polymeric modified bitumen emulsion (PMBE) with cleaning of existing surface by using self propelled emulsion distribution uniformly or towed emulsion pressure sprayer, equipped for spraying the PMBE uniformly and mopping the total undiluted PMBE @ 0.60 Litre per sqm in one coat (diluted quantity 1.20 litre/Sqm) dully diluted in ratio 3:2 (PMBE 3 Litre : Water 2 Litre) and ensure uniform finish of total area complete all as per manufactures instructions complete all as specified and directed. Note:1 Actual quantity of PMBE for two coats shall be as per trial patch and approved by Engr-in-charge, and shall not be more than 1.00 Litre (undiluted PMBE) per Sqm. Consumption of PMBE Shall be jointly recorded in MB for Record purpose. Note 2:- Minus price adjustment as per pro-rata of quoted rate for 1.0 litre (undiluted PMBE) per Sqm in one coats shall be made, if less quantity of PMBE as per trial patch and subsequently approved by Engineer-in-charge is used in work. Note 3:- Special care shall be taken to fill gaps/cracks with 6mm to 2.36mm size coarse sand as per manufacturer’s instructions and quoted rates is included for repair of gaps/cracks. Note 4:- Quoted rates shall be deemed to included for trial patch 15mtr x15 mtr.

S&F in repair solar studs 135x105x26mm made of aluminium frame with mix epoxy filler of approved colour having bearing strength of minium 20 tons including removing old studs complete all as specified and directed.

Providing and applying 2.00 mm thick road marking strips (retro reflective) n exc 10 cm wide of specified shade/colour using hot thermoplastic material by fully/semi automated thermoplastic paint applicator machine fitted with profile shoe, glass beads dispenser, propane tank heater and profile shoe heater, driven by experinces operator on road surface including cost of material, T&P cleaning the road surface of all dirt, seals, oil grease and foreign material etc complete as per direction of Engr-in-charge and accordance with applicable specifications complete all as specified and directed.

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ALBA AC AND REF SERVICES

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SANVI ASSOCIATES

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