FDR/Mtc of different roads under Ampi PWD (RandB) Sub-Division under Ompi R.D. Block/SH- Patch repairing by WBM-3, Carpeting, Sand seal coat, protection work etc. during the year 2025-26 (Group-IV)

Surface drain Construction of unlined surface drains of average cross-sectional area 0.40sqm in ordinary soil to specified lines,levels and dimensions. Excavated material to be used in embankment with alift upto 3m and lead of 50m(average lead 25m) as per MoRD Technical specification clause 307.

Construction of embankment with approved material obtained from borrow pits with a lift upto 1.5 m, transporting to site, spreading, grading to required slope and compacting to meet requirement of Tables 300.1 and 300.2 with a lead upto 1000 m as per MoRD Technical Specification Clause 301.5.

Removal of Unsuitable Soil with Disposal upto 1000 m Removal of unsuitable soil including excavation, loading and disposal upto 1000 m lead but excluding compaction ground supporting embankment / subgrade, replacement by suitable soil, which shall be paid separately as per MoRD Technical Specification Clause 303.5.2 and as per MoRD Technical Specification Clause 302.3.11.

Collection and supplying of jhama brick bats including carrying, loading, unloading, stacking propoerly and laying the same in road depressions and stretchces including spreading of binding materials and to make it good to proper grade and camber steel rammer as per direction of the Engineer-in-Charge.

Single bamboo palasiding/walling of whole 2nd class bamboo (Jati or Bethua) 65 to 75 mm dia and closely packed & driven @ 150 mm c/c including fitting fixing with half bamboo kamis horizontally in three rows with cane or tying with wire complete and struts 1.5 m apart longitudinally and providing bitumen drum sheet walling fixed with nails as per drawing and MoRD technical specification Clause 1302.5. A) Driven at least 900 mm below ground and 1200 mm above ground on average

Providing and placing gunny/ polythene (of minimum wall thickness of 500 micron) bags filled with sand (of minmum qty of 0.034 cum) and properly manually stitched to avoid any leakage of sand as per specification.

Providing and laying brick on edge soling layer on prepared subgrade according to lines, grades and cross-section shown on the drawing, filling joints with sand, watering and rolling the same with three wheeled road roller 80-100 KN as per MoRD Technical Specification Clause 412.

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.

Water Bound Macadam Sub-Base / Base using Jhama Brick Aggregate (2) WBM Grading 3 Providing, laying, spreading and compacting 53 mm to 0.075 mm jhama brick aggregates to water bound macadam specification including spreading in uniform thickness, hand packing rolling with three wheel roller 80-100 KN in stages to proper grade and camber, applying and brooming, binding materials to fill up the interstices of coarse aggregate, watering and compacting to the required density Grading 3 as per MoRD Technical Specification Clause 405. (A) By Manual Means

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 specification: On W.B.M. @ 0.75 kg/sqm.

Providing, laying and rolling of open-graded premix carpet of 20 mm thickness composed of 13.2 mm to 5.6 mm aggregates either using viscosity grade bitumen or emulsion to required line, grade and level to serve as 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.

Providing and laying seal coat sealing the voids in a bituminous surface laid to the specified levels, grade and cross fall using Type A or Type B or Type C or Type D as per MoRD Technical Specification Clause 510.

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), after applying prime coat at the bottom and tack coat on sides and on bottom and compacting, trimming & finishing the surface to form a smooth continuous surface, all as per MoRD technical specification Clauses 1900, 502, 503 and 504.