CWE/CHD-66/2024-25 REPAIR/ RESURFACING OF ROADS IN K AREA N AREA AND HALLOMAJRA AREA UNDER GE CHANDIGARH

Amount

M&L for preparation of old black top surfaces by brushing with wire brushes for removing caked mud etc, sweeping with brooms and finally fanning the surface with gunny bags to remove all loose dust/ dirt complete all as specified and as directed by Engineer-in-charge.

M & L for Preparation of bituminous surface and Applying evenly a Tack Coat with Cationic Bitumen Emulsion RS-1 confirming to IS:8887 at a rate of application of 0.2-0.3 kg/sqm on bitumnous surface as specified in Table 500-5 of MoRT&H specification for road and bridge works 2013, using using mechanical sprayer after cleaning of existing sufaces complete all as specified and as directed by Engineer-in-charge.

M&L for Bituminous concrete (BC) 30 mm thick (consolidated thickness) layer conforming to clause 507 of MORT&H specifications for Road and Bridge work (Fifth Revision) including cost of coarse aggregates, fine aggregates, filler, with 5.5% binder (VG-30) contents by weight of total mix, crushed aggregate of grading 2, anti stripping agent, warm mix additives (quantity, quality and grade as per the approved job mix formula) etc, cleaning and pre-heating of the mineral aggregate, filler & bitumen of specific temperature throughly mixing with binder of specified bitumen content, anti stripping agent, warm mix additives as per mix design in hot mix plant (batch type), carrying the hot mixed materials by means of tipper, trucks or any other approved and and suitable arrangements, laying and hot premixed materials over the prepared surface by means of paver finisher including manual operation as and when required for proper grade, level and camber through rolling with power roller 8 to 10 tonnes smooth wheeled, vibratory and tandem roller with necessary hand packing and pinning to give an even surface .....Contd

contdd... including running expense of all plants and machineries, inclusive of proper traffic control during laying to the satisfaction of Engineer-in-charge, required quality control tests at required interval etc complete in all respects complete all as specified and directed. Notes : (i) The contractor shall quote the rate against item considering 5.5 % VG-30 bitumen content. Job Mix formula as per clause No. 505.3.3 of MORT&H specification for road and bridge work (Fifth Revision) for bituminous concrete shall be got designed from NIT/ CTL/ Govt Engg College and shall be got approved from GE in writing well before commencement of work without any financial effect to the department. Also the bitumen content shall not be less than 5.4 % by weight of total mix as per clause 507.2.5 of MoRT&H specifications (Fifth Revision). (ii) The cost of materials, transportation, Job mix formula form lab and testing charges for various tests as required are included in the unit rate quoted by the contractor. (iii) Cost of Filler i.e. rock dust, hydrated lime or cement is deemed to be included in unit rate.

Notes :(iv) if qty of binder contents is less than the qty as specified in respective items of BOQ, it shall be adjusted at supply only rates of paving bitumen @ Rs. 45.00 Per KG and if qty of binder contents is more than the qty as specified is respective items of BOQ, no adjustment shall be made. (v) After spreading of mix as per clause 507.4.7 of MoRT&H specification entire surface during the operation shall be rolled with road roller 8-10 tonnes (smooth wheeled) followed with vibratory road roller of 8-10 tonnes static weight, followed by finish rolling with 6 to 8 tonnes smooth wheeled tandem roller as per clause no. 507.4.8 of MoRT&H specifications (Fifth Revision) and the cost of the same shall be deemed to be included in the quoted rate.

Providing, laying & Compaction of bituminous, macadam (BM)compacted thickness 50 mm conforming to clause 504 of MoRT&H specification for Road and Bridge works (Fifth Revision) using mechanically crushed stone aggeagates and granual material etc of grading II as per Table 500-7 of MORT&H Specifications for Road and Bridge Works (Fifth Revision) premixed with bitumenous binder Bitumen grade VG-30 @3.5% (percentage by weight of total mix) prepared in Batch type Hot Mix Plant transported to site by tippers, laid over a previously prepared surface with paver finisher equiped with electronic sensor to the required grade, level and allignment and rolling with smooth wheeled, vibratory and tandem rollers as per specifications to achieve the desired compaction and density complete all as specified and directed by Engineer-in-charge.

Notes : (i) The contractor shall quote the rate against item considering 3.5% VG-30 bitumen content. Mix Design for Bituminous macadam shall be got designed from NIT/ CTL/ Govt Engg College and shall be got approved from GE in writing well before commencement of work without any financial effect to the department. Also the bitumen content shall not be less than 3.4% by weight of total mix as per clause 504.2.4 of MoRT&H specifications (Fifth Revision). (ii) If qty of binder contents is less than the qty as specified in respective items of BOQ, it shall be adjusted at supply only rates of paving bitumen @ Rs. 45.00 Per KG and if qty of binder contents is more than the qty as specified is respective items of BOQ, no adjustment shall be made.

M&L for marking 2.50 mm thick centre line, side line, stop line, dashes, arrows, brackets & similar work on road surfaces as per IRC pattern with thermo plastic paint of approved quality & make with 20% glass beads laid at temperature of 160 degree centigrade with a mechanical applicator machine complete all as specified and as directed by Engineer-in-charge.

Supply and fix solar cat eye/ solar stud, 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 complete all as specified and as directed by Engineer-in-charge.

Supply and fixing in repair cat eye, 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 as directed by Engineer-in-charge.

Supply and fixing in repair of pre-painted Metal Tubular Solar delinator of 65 mm dia made out of highly reflective reflectors of PMMA and mounted on a pre-painted mild steel pipe of 50 mm dia of length 1.0 Meter fixed with and including embedding in PCC 1:2:4, type B-1 of block size 150 mm x 150 mm x 300 mm, including necessary excavation work in post holes complete all as specified and as directed by Engineer-in-charge.

S&F in repair of convex mirror minimum 100 cm dia, outdoor type, Polycarbonate body material, acrylic and mirror thickness not less than 3mm for traffic security purpose with and including 2 meter long SS pipe Gde 30G fixed with nut bolt and adjustable brackets/ clamp system for mounting including necessary excavation and embeded in cement concrete type B-1 (1:2:4) (using 20 mm graded crushed stone aggregate) complete all as specified and as directed by Engineer-in-charge.

Supply and fixing in repair dual direction speed breakers fitted with high intensity cube corner reflector firmly bonded to high impact resistant plastic body of colour yellow and black of size 350 x 250 x 53 mm (height) provided with 4 steel nails, shape of side body to have interlocking pattern to keep all speed breakers in a row compete all as specified and directed.

BAL SINGH AND SONS (BID ID -3152856)