Development and repair of road from Subhashnagar Auto Stand to Dharpara rail boundary dead end and allied roads (L-0.60 km) under AMC ward no. 42

Flat brick soling Providing and laying flat brick soling layer on prepared subgrade according to lines, grades and cross-section shown on the drawing, filling joints with Earth, free from clay with a Plasticity Index not exceeding 6, watering and rolling the same with three wheeled road roller 80-100 kN as per MoRD Technical Specification Clause 412.

Maintenance of bituminous surface road using Jhama brick aggregate Repair to pot holes by removal of failed material, trimming the sides to vertical and levelling the bottom, cleaning the same with compressed air or any appropriate method, filled with B.M (using jhama brick aggregate & bitumen of VG-30), after applying prime coat at the bottom and tack coat on sides and on bottom (using bitumen emulsion) and compacting, trimming & finishing the surface to form a smooth continuous surface, all as per MoRD technical specification Clauses 1900, 502, 503 and 504.

WBM Gr-3 Providing, laying, spreading and compacting brick aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with smooth wheel roller 80-100 kN in stages to proper grade and camber, applying and brooming, stone screening to fill up the interstices of coarse aggregate, watering and compacting to the required density 'Grading 3' as per MoRD Technical Specification Clause 405. By Manual Means

Prime Coat (SS-1): Low porosity Providing and applying primer coat with bitumen emulsion (SS-1) on prepared surface of granular base including cleaning of road surface and spraying primer at the rate of 0.70- 1.00 kg/sqm using mechanical means as per MoRD Technical Specification Clause 502. Low porosity.

Tack coat using hot straight run bitumen of grade VG-30 on W.B.M. Providing and applying tack coat using hot straight run bitumen of grade VG-30, including heating the bitumen, spraying the bitumen, cleaning and preparing the existing road surface as per specifications: On WBM @ 0.75 kg/ sqm.

Tack coat using hot straight run bitumen of grade VG-30 on bituminous surface Providing and applying tack coat using hot straight run bitumen of grade VG-30, including heating the bitumen, spraying the bitumen, cleaning and preparing the existing road surface as per specifications: On bituminous surface @ 0.50 Kg/ Sqm.

Tack Coat (RS-1) Providing and applying tack coat with bitumen emulsion (RS-1) using emulsion distributor at the rate of 0.20 to 0.25 kg per sqm on the prepared bituminous surface cleaned with Hydraulic broom as per MoRD Technical Specification Clause 503.

20 mm thick open Graded premix carpet using bituminous (Viscosity grade/ modified bitumen) binder. Providing,laying and rolling of open graded premix carpet of 20 mm thickness composed of 13.2mm to 5.6mm aggregates either using penetration grade bitumen or emulsion to required line grade and level to serve a wearing course on a previously prepared base including mixing in a suitable plant laying and rolling with a three wheel 80-100 KN static roller capacity finished to required level and grades to be followed by seal coat of either Type-A or Type-B or Type-C or Type-D as per MORD technical specification clause 508. Case-I. By Manual means. (i) Bitumen (60/70 grade) V.G.-30.

Seal coat Providing and laying seal coat sealing the voids in a bituminous surface laid to the specified levels, grade and cross full using Type-A or Type-B or Type-C or Type-D as per MORD technical specification clause 510. A. By manual means. Case-IV Type –D (Premix with fine sand), Bitumen VG-30

Seal coat on old bituminous road surface Sand seal coat on old bituminous road surface by applying Viscosity Graded (VG-30) bitumen @ 1.00 kg per sqmusing rubber brush after proper cleaning of the road surface and spreading of river sand @ 0.06 cum/10 sqmcomplete as per specification and direction of the Engg.-in-Charge.