REPAIR TO CERTAIN ROADS UNDER AOR OF AGE B/R-IV OF GE (SOUTH) MEERUT CANTT

Potholes repairs using spray injection patchwork Machines with cold mix bitumeninous concrete with RS1 emulsion with 8% emulsion content, 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 arounds edges to at least 25mm in depth, making good by applying tack coat at 5 kg per 10 sq m. depth of potholes exc 30mm rolled and compacted complete all as specified and directed.

M&L for 75mm thick (compacted thickness) WBM, with Lime stone sand stone Flint or Quartzite coarse aggregates of grading 2 (63 to 40mm size) or of grading 3 (50 to 20mm size), spread, rolled & consolidated to gradient materials & camber required including scarifying the existing surface exc 50 mm & n.exc 100 mm deep complete all as specified and directed.

M&L for Preparation of newly WBM surfaces of roads by brushing with mechanical means, 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 and applying by providing evenly a priming / tack coat with bituminous primer (VG-10) viscosity grade @ 10 Kg per 10 Sqm complete all as specified and directed.

Providing and laying 6 mm thick micro surfacing course comprising of dry fine aggregate confirming to Type-II grading of specification, polymer modified cationic slow setting bitumen emulsion (Having 60% binder content 3.60% polymer) ordinary portland cement, chemical additives and water in the following proportion. (fine aggragate conforming to type-II grading @ 9 Kg per sqm of road surface coverage. (ii) Bitumen emulsion @ 13.50%Kg by weight of fine aggrate. (iii) cement @ 1.50% by weight of fine aggrate. (iv) Aadditive @ 1.50% weight of fine aggregate including preparation of bituminous surface with mechanical means and applying a coat of tack coat with hot pressure spray using RS (Rapid setting) bitumen cationic emulsion confirming to IS-8887/ASTMD-297 @ 2.50Kg per sqm over bitumenous Macadam / Black topped surface of existing road complete all as specified and directed. Note:- (1) This item includes all the cost of labours and machineries of bitumen emulsion, ordinary portland cement, chemical additives, agregates and water. (2) This item includes the crack sealing wih bitumen of grade VG-30 sand grout, if any before applying micro surfacing layer. (3) This item includes the cost of making surface levelled with any mechanical means before appling micro surfacing layer, if the particular portion is having patch work above regular road level.

Supplying & fixing in repair of retro-reflectorised traffic sign boards by providing and fixing new retro-reflectorised cautionary, mandatory and informatory sign as per ASTM D 4956-04 made of High intensity grade Microprismatic sheeting Type-IV, fixed over aluminium sheeting 2.0 mm thick of size 1200mmx900mm supported on a Stainless steel of grade 304 Frame comprising of hollow square section of size not less than 25mm. This frame is further welded to hollow circular section of outer dia not less than 50mm size, 2.4 meter high vertical post complete as per drawing. This vertical post shall be embeded in M15 grade cement concrete in a pit of size 3000mm X 300mm X 450 mm, 450 mm below ground level complete in all respect as per direction of the Engineer. Note- The rate quoted by the contractor shall be inclusive of forming letters with retro-reflective taping as per the site requirements and all as per the direction of Engineer-in-charge.

M&L for preparing surfaces by brushing in Black top with mechanical means ,wire brushes for removing caked mud etc, sweeping with brooms and finally fanning the cleaned surface with gunny bages to remove all loose dirt etc and applying evenly a priming/tack coat with bituminous primer(VG-10) at the rate 05 kg per 10 sq meterscompleted as pecified and directed.

M&L for Premix bitumious macadam mixed with paving bitumen @ 4% binder (viscosity grade VG-30) contents any penetration laid/rolled and compacted to required gradient and camber (consolidated thickness n. exc 75mm ) with 8 to 12 ton power roller complete all as specified and directed. Note-(a) 5 nos of core cutter test to be carried out by contractor on his own cost before laying of SDAC on BM surface at location directed by Engineer-in-charge and test report to be submitted before processing RAR/Payment.(CTL/IIT Rorkee /any Govt Institution as approved by GE) (b) The unit rates are worked out on the basis of binder content of 4% by total mix. Any addition/deduction in the actual binder content used, the rate shall be adjusted as per given in SSR-II. (c) The Bituminous Macadam mix shall be layed with a hydrostatic paver finisher with sensor control to the required grade, level and alignment, rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction complete as per technical clause 507 of per MORTH specifications

M&L for bituminous premixed semi dense asphaltic 30 mm thick (consolidated thickness) with 5.5% binder content by wt of total mix paving bitumen (VG-30) viscocity grade mixed in hot mix plant transported to site on tippers and laid with mechanical paver, and roled to uniform smooth surface with 8 to 12 tonne capacity power roller and compacted to required camber and gradient and all directed and specified by Engineer-in-charge Note-(a) 5 nos of core cutter test to be carried out by contractor on his own cost after 7 days from date of laying of SDAC at location directed by Engineer-in-charge and test report to be submitted before processing RAR/Payment.(CTL/IIT Rorkee /any Govt Institution as approved by GE) (b) The unit rates are worked out on the basis of binder content of 5.5% by total mix. Any addition/deduction in the actual binder content used, the rate shall be adjusted as per given in SSR-II. (c) The Bituminous premixed semi dense asphaltic shall be layed with a hydrostatic paver finisher with sensor control to the required grade, level and alignment, rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction complete as per technical clause 507 of per MORTH specifications

M& L for cleaning the road surface of dirt, seals oil.grese and foreign materials etc and applying 2 mm thick road marking strips (Rectro reflective) of white colour or yellow using hot thermoplastic material by filly/semi automatic thermo plastic paints applicator machine fitted with profile shoe heater drive by operator on road surfaces complete all as specified and directed.

Supply and fixing in repair cat eye solar reflective type of ABS body of size 100mm x 90mm x 20mm with two way prismatic reflector fixed with and incl MS stud of suitable size as per manufactures instructions all as specified and directed.

Demolition of cement concrete (unreinforced) in ground floor and pavings n exc 15 cm thick ( above or below GL) complete all as specified

M&L for 75 mm thick cement concrete 1:4:8 type D-2 using (40 mm graded stone agg) as in sub base all as specified and directed.

M&L for machine pressed precast concrete interlocking paver block any shape and size confirming to IS 15658-2006 of 60 mm thickness, M-35 Grade 60 mm thick PCC tile (interlocking type) with grey cement and pigment complete all as specified and directed.

M&L for sand for cushioning, interlocking tiles joint to be filled with sand, including spreading and levelling in layers n exc 25 mm thick all as specified and directed.

S&F in repair speed breaker providing rounded (of 17 meter radius) hump of 1.0 meter width and 0.1 RM meter height, with premixed bitumenous macadam 75 mm thick mixed with paving bitumen binder VG-30 Viscosity grade ( considering binder content @4% by wt of total mix), applying providing and laying bituminous premixed asphaltic semi dence concrete 40 mm thick consolidated thickness with machanical paver mixed at hot mix plant, transported to site on tippers,stone chipping mixed with 5.5% by weight of total mix of paving binder (VG-10) viscosity grade by weight of total mix rolled to uniform smooth surface with 8 to 10 tone power roller to required gradient complete all as specified and directed.

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, jointed with cement mortar 1:3 (1 cement: 3 coarse sand), including making joints with or without grooves (thickness of joints except at sharp curve shall not to more than 5 mm), including making drainage opening wherever required complete all as specified and directed.

M&L for cement concrete Type B1 (20 mm graded aggregate) as , in lintels upto 1.5m clear span, cills, steps; seismic and other similar bands, plinth courses, string courses, lacing courses, parapets and railings upto 60 cm in height, copings, kneelers, apex stones, bed plates, kerbs not provided for in Item 04028, water troughs and the like including weathering, slightly rounded or chamfered angles and throating, as complete all as specified and directed.

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