REPAIR/SURFACING TO ROADS AND ROAD FURNITURE AT CDA GUWAHATI UNDER GE GUWAHATI

M&L Repair to potholes any depth, not exceeding 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 at the rate of 5 kg per 10 Sqm, putting in bituminous macadam well rammed (including supply of bituminious carpet, binder and chhipping) and sealed with bitumen 9.8 kg per 10 sqm blinded with 0.09 cum stone chippings, 6.3 mm size depth of pot holes exc 30mm and rolled and compacted with power roller 8 to 12 tonnes to required camber and gradient complete all as specified and as directed.

Preparing existing black top surfaces by brushing with wire brushes for removing caked mud etc., sweeping with brooms and finally fanning the cleaned surface with gunny bags to remove all loose dirt etc. complete all as specified and as directed.

M&L for applying a tack coat of cationic bitumen emulsion (RS1) conforming to IS: 8887 at a rate of application of 0.20- 0.30kg/ sqm on bituminious surface as specified in Table- 500-3 of MoRTH specifications for road and bridge work 2013, using mechanical sprayer after cleaning of existing surface complete all as specified and directed .

M&L for dense bituminous macadam 75 mm (compacted thickness) using graded crushed stone aggregate premixed with binder (paving grade bitumen VG-30 grade) @ 4.5% by weight of total mix & hydraulic lime filler, rolled and compacted to required camber and gradient complete all as specified and as directed. Note :- (i) Semi dense bituminous concrete shall be laid using self propelled hydrostatic paver finisher and preparation of mix shall be using hot mix plant and transporting the mix in tipper. (ii) The exact bitumen content required shall be determined following the Marshall Mix Design procedure contained in the Asphalt Institute Manual MS-2 (Sixth Edition) as referred in case 3.5.3 of IRC 111: 2009. The adjustment in rate on MINUS side variation in quantity of bitumen if any shall be priced at the rate of ₹60 per kg. No claim whatsoever shall be made for adjustment in plus side.

Material and labour for bituminous premixed semi-dense asphaltic concrete, 40mm consolidated thickness using 5.5% paving bitumen (VG 30 Grade) binder content any penetration by weight of total mix, mixed in central computerized hot mix plant and laid using mechanical self propelled paver and rolled and compacted with 8 to 12 tonne power roller to uniform surfaces with required camber and gradient complete all as specified and as directed. Note:- Semi dense asphaltic bituminous concrete shall be designed as per design mix. Contractor shall quote his unit rate considering the bitumen contents as 5.5 %. Any variation in binder content on minus side shall be adjusted at the rate of ₹95.00 per KG of binder. No adjustment in price shall be made if the variation is on plus side. "

S & F in repair solar cat eye aluminum alloy shall (100% water proofing design according to 65) of size 125mm x 125mm x 25mm (shank 65mm) of high efficiency Mono rystafie solar panel 2.4V/ 0.3 watt one NI-ed rechargeable battery (1.2V/ 1600MA) consisting of super bright LED with 10,000 to 18,000 mcd, 3 pieces each side and total 6 pieces are used for high brightness and backup for 12 hours completed as per manufactures instructions etc complete all as specified and as directed.

S&F in repair cat eye solar reflective type of metal body alloy of size 100mm x 100mm x 20mm with PAMA striplens reflector of model No. DA 972.0 fixed with and incl MS stud of suitable size as per manufactures instructions complete all as specified and directed.

Supply and fixing metal tubular dealineator made out of ABS round body fitted with 2 Nos 65 mm dia highly reflective reflectors made out of PMMA and mounted on 45/50 mm dia mild steel pipe of 600 mm height duly powder coated and thermo plastic elastomer 3 bands of green, red and yellow reflector radium tape of 25 mm wide strips with anti theft steel net for reflector protection including embedding in PCC 1:2:4 (150x150x300mm) type B1 complete all as specified and directed

Material and labour for preparing bituminous surfaces of road and marking 2.5mm thick centre lines stop line dashe arrow etc and the like not exceeding 10cm wide on road pavement with hot applied thermo plastic road marking paint with reflectorizing glass beads on bituminious surface @ 250gms/ sqm area as per IRC: 35- 1997 of approved colour conforming to BS 3262-1989 with special applicator machine all as per manufacturers instruction complete all as specified and directed.