GE(U)/CHM-39/2023-24 REPAIR TO ROADS, ROAD SIDE BERMS, FURNITURE ETC AT WCLU, HRDC, RVC LINE AND COMD HOSPITAL AREA UNDER AGE B/R (CH) OF GE(U) CHANDIMANDIR

Amount

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

M&L for applying evenly a priming / tack coat conforming to clause 503 of MORT&H specifications for road & Bridge works ( Fifth Revision) with cationic bitumen emulsion RS1 grade , conforming to IS 8887 (latest edition) @ 2.5 kg/10 Sqm using primer distributer which shall be self-propelled or towed bitumen pressure sprayer complete all as specified and directed

Repair to Pot holes any depth, not exc 1 sq m 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 @ 5 kg per 10 sqm, putting in premixed bituminous macadam, well rammed and sealed with binder 9.8 kg per 10 sqm, blinded with 0.09 cu m of stone chippings, 6.3 mm size and again well rammed (including supply of premixed macadam, binder and chippings) depth of pot holes exc 30 mm complete all as specified and directed by Engineer in charge.

M&L for Bituminous concrete (BC) 30 mm thick (consolidated thickness) layer conforming to clause 507 of MORT & H specification for road and bridge work (Fifth Revision) including cost of coarse aggregate, fine aggregate, 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 temprature throughly mixing with binder of specified bitumen content, anti stripping agent, warm mix additives as per mix design in hot mix plant (batch type) of 100-120 TPH capacity, carrying the hot mixed material by means of tipper, trucks or any other approved and suitable arrangement.

Laying the hot premixed materials over the prepared surface by means of paver finisher including manual operation as and when required for proper grade, including level camber through rolling with power roller 8 to 12 tonnes smooth wheeled, vibratory and tandem roller with necessary hand packing and pinning to give an even surface including running expense of all plants and machineries, inclusive of proper traffic control during laying to the satisfaction of Engineer-in- Charge, carrying out required quality control tests at required interval etc complete all as specified and directed.

Note:- (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 & 507.3 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% weight of total mix as per clause 507.2.5 of MORT&H specification (Fifth Revision). (ii) The cost of materials, transportation, Job mix formula from lab and testing charges for various tests as required are including in the unit rate quoted rate by contractor. (iii) Cost of filler i.e. rock dust, hydrated lime or cement is deemed to be included in unit rate.

(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 content is more than qty as specified in 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 specification (Fifth Revision) and the cost of the same shall be deemed to be included in the quoted rate.

M&L for 2.5 mm thick white or yellow hot thermoplastic road marking paint with 20 % of glass beads spread and laid by automatic mechanical engine driven machine , painting as in strips 10 cm wide including preparing & cleaning of road surface all as specified and directed by Engr-in-Charge

Supply and fixing in repairs cat eye solar reflective type of metal body alloy of size 100mm x 100 mm x 20 mm with PAMA striplens reflector of model No DA 972.0 fixed with and MS stud of suitable size as per manufactures instructions all as specified and directed by Engr-in-Charge.

Supply & fix in repair solar cat eye aluminium alloy shall (100% water proofing design according to 65) of size 125 mm x 125 mm x 25 mm (shank 65 mm) of high efficeincy Mono rystalife solar panel 2.4V/0.3 watt one Nl-ed rechargeable battery (1.2V/1600 MA) consisting of super bright LED with 10,000 to 18,000 mcd completed as per manufactures instructions all as specified and directed by Engr-in-Charge.

JAY TEE KAY INFRA

BAL SINGH AND SONS

M/s DATAAR BUILDERS

M/s Krishan Aggarwal