WBPWRD/AE/BHSD/eNIT-1/26-27/3

FogSpray Providing and applying Fog Spray using low viscosity (SS Type Cationic bitumen emulsion for sealing cracks less than 3 mm wide or incipient fretting or disintegration in an existing bituminous surfacing including thoroughly cleaning of surface using scrubber and compressed air jets, applying SS type Bituminous Emulsion using bitumen pressure distributor, including cost and carriage of all ingredients and hire and operational charges of all machinery, tools and plants including fuel, lubricants and cost of quality control as per Clause 513 of Specifications for Road & Bridge Works of MoRT&H (5th Revision).

Crack Prevention Courses: Stress Absorbing Membrane (SAM) crack width less than 6 mm. Providing and laying of a Stress Absorbing Membrane over a cracked road surface, with crack width below 6 mm after cleaning with a mechanical broom, using modified binder complying with clause 517, sprayed at the rate of 9 kg per 10 sqm and spreading 5.6 mm crushed stone aggregates @ 0.11 cum per 10 sqm with hydraulic chip spreader, sweeping the surface for uniform spread of aggregates and surface finished to conform to clause 902 of Specifications for Road & Bridge Works of MoRT&H (5th Revision).

Providing and laying Premixed Seal Coat (Type B) with approved quality sand/grit @ 0.6 m3/ 100 m2 and bitumen binder on thoroughly cleaned black top surface coated with tack coat, including heating and mixing cleaned sand/grit (100 % passing through 2.36 mm sieve and retained on 180 micron sieve) uniformly with bitumen binder, laying and spreading the mix at an uniform rate using suitable means, brushing the surface, if necessary, to ensure uniformity, followed by rolling with power roller including the cost and carriage of binder and aggregates, cost of heating the binder and aggregates and all other incidental charges, cost of fuel and lubricants, including hire charges of machineries, tools & plants required for construction and quality control complete as per Clause 511 of Specifications for Road & Bridge Works of MoRT&H (5th Revision).(i) With Hot Bitumen Binder (@ 9.80 kg / 10 sqm.) II By Manual Means

Tack Coat Providing and applying tack coat with Cationic Bitumen Emulsion of approved grade conforming to IS: 8887-1978 on the prepared surface cleaned with Hydraulic broom, moistening the surface including cost and carriage of emulsion, hire charges of machinery and labour, cost of fuel and lubricants all complete as per Clause 503 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). (i) On Bituminous Surface (Using Bitumen emulsion at the rate of 0.25 kg per sqm.)

Sub-Toal

Sub-Toal

GST @18%

Sub-Toal

Sub-Toal

Cess @ 1%