CWE/CHM-18/2024-2 REPAIR OF ROAD, PATH, HARDSTANDING AND ROAD FURNITURE UNDER AGE B/R II AT CHANDIMANDIR

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 Bitumenous 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.

M & L for Scarifying or picking gravelled, macadam or bituminous macadam surfaces in area not exc 400 sqm and exceeding 50mm and not exc 100 mm deep complete all as specified and as directed by Engineer-in-charge.

M & L for providing and consolidating 50mm thick premix dense Bituminous Macadam (DBM Grading-II) using min 4.5% VG 40 grade binder by weight of total mix, aggregate gradation as per Grading 2 of Table 500-10 of MoRT&H specification for road and bridge works 2013, rolled and compacted to required camber and gradient complete all as specified and as directed by Engineer-in-charge.

M & L for Applying evenly a Prime Coat of Cationic Bitumen Emulsion SS1 confirming to IS:8887 at a rate of application of 0.7-1 kg/sqm on surface of WMM/ WBM as specified in Table 500-3 of MoRT&H specification for road and bridge works 2013, using using mechanical sprayer complete all as specified and as directed by Engineer-in-charge.

Repair to potholes, not exc 1 sqm each, depth of potholes n exc 30mm including sweeping free from dust and mud, or water, scoring sunken surfaces in roads, paths, etc. cutting around edges to at least 25mm in depth, making good by applying tack coat at 5 kg per 10 sqm, putting in premixed bituminous macadam, well rammed and sealed with binder 9.8 kg per 10 sqm, blended with 0.09 cum of stone chippings, 6.3 mm size and again well rammed (including supply of premixed macadam, binder and chippings) complete all as specified and as directed by Engineer-in-charge. Note : To be oprated on road where bituminous carpet not be carried out.

Repair to potholes 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 25mm in depth, making good by filling in screened and graded road metal watering and well ramming of surface including supply of road metal 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.

M&L for marking 2.00 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 fixing 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 as directed by Engineer-in-charge.

Supply and fixing in repair of pre painted Metal Tubular Solar delinator of 90mm dia and 1.0 M height fixed with and including embedding in PCC 1:2:4, type B1, block of size 150x 150x 300mm, with and including excavation work in pot holes, if necessary complete all as specified and as directed by Engineer-in-charge.

Demolition of cement Concrete (un-reinforced) in ground floors and pavings n. exc 15 cm thickness (below or above ground level) and removal of debris n. exc. 50 mtr and depositing where directed at a level n. exc 1.5 mtr above starting point complete all as specified and as directed by Engineer-in-charge.

Material and Labour for 50 mm thick PCC 1:4:8 type D-2 using 40 graded stone aggregate as in sub base and finishing the surface even & rough to receive floor finish complete all as specified and as directed by Engineer-in-charge.

Material and Labour for laying factory made machine pressed precast concrete interlocking paver block with grey cement and no pigment any shape and size (design approved by GE) casted in rubber moulds and compacted on vibratory table confirming to IS 15658-2006 of 60 mm thickness, M-35 Grade complete all as specified and as directed by Engineer-in-charge.

Material and Labour for laying factory made machine pressed precast concrete interlocking paver block with grey cement and no pigment any shape and size (design approved by GE) casted in rubber moulds and compacted on vibratory table confirming to IS 15658-2006 of 80 mm thickness, M-40 Grade complete all as specified and as directed by Engineer-in-charge.

Material & Labour for Sand cushioning under interlocking paver block complete all as specified and as directed by Engineer-in-charge.

Material & Labour for Providing and laying at or near ground level factory made kerb stone of M-25 grade cement concrete in position to the required line, level and curvature, with Cement Mortar 1:3 (1 cement: 3 Sand) including making joints with or without grooves (thickness of joints except at curve shall not be more than 5 mm), including making drainage opening wherever required complete all as specified and as directed by Engineer-in-charge.

Material and labour for preparation of new concrete surfaces Exc. 10 cm in wdth & girth and applying two coats of synthetic enamel paint over a coat of primer complete all as specified and as directed by Engineer-in-charge.

M&L for preparation of old concrete surfaces exc. 10 cm in width or girth and appplying one coat of synthetic enamel paint 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 B1 (1:2:4) (20mm graded crushed stone aggregate) complete all as specified and as directed by Engineer-in-charge.

S&F in repair of retro reflective Sign board of size 1200mm x 800mm, rectangular Shape made of 3 mm thick ACP sheet (Aluminium Composite Panel) both faces fully covered with retro-reflective sheeting type IV Avery-make, and colour as approved by Garrison Engineer, Writing subject (words, arrows, full stop, dash/ mark/ border/ logo etc) on both side and both side arrow sign direction should be intimated to the locations/ Bldg, Sign Face Will be rivetted with Back suppout frame of stainless steel of 25mm dia shape as approved by GE and two vertical posts of 40mm bore of stainless steel pipe 2.00 Meter above the GL and 45 Cm below the GL embedded in PCC 1:2:4, type B-1 block of size 30cm x30cm x60 cm post hole includnig necessary excavation in post hole, complete all as specified and as directed by Engineer-in-charge.

S&F in repair ABS Speed Breaker/ Rubber Rumbler of height 50 mm and width 380 mm in two colour, fixed alternately with reflectors on either side complete fixed with epoxy and bolts by drilling fastener as per manufacture instructions complete all as specified and as directed by Engineer-in-charge. Make: Oscar Model No - OS-794 or equivalent as specified in Appx B as approved by GE.

BAL SINGH AND SONS (BID ID -3051704)

shree balaji builders (BID ID -3052283)

AP BUILDERS (BID ID -3059825)