Maintenance of road from Purba Palatana PWD road to Shalgharaberri via Kalimandir (L 0.850km) Ch 0.450km to 0.850km

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.

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. By manual means.

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 13.2 mm to 5.6 mm aggregates either using penetration 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.By manual means Bitumen of VG-30

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 W.B.M.@ 0.75 kg/ sqm.

Seal Coat: 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. Case - IV : Type D (premix with fine sand):Bitumen (60/70 Grade) VG-30

Maintenance of Earthen shoulder (filling with fresh selected soil): Making up loss of material / irregularities on shoulders to the design level by adding fresh approved selected soil and compacting it with appropriate equipment at OMC upto a lead of 1000 m as per MoRD technical specification Clause 1903.

Maintenance of Earthen shoulder (Stripping of excess soil): Stripping excess soil from the shoulder surface to achieve the approved level and compacting with plate compactor at OMC as per drawing and MoRD technical specification Clause 1903.

Excavation for Structures A. Without dewatering Earthwork in excavation for structures as per drawing and MoRD technical specifications Clause 305.1 including setting out, construction of shoring & bracing, removal of stumps & other deleterious material and disposal upto a lead of 50 m, dressing of sides & bottom and backfilling in trenches with excavated suitable material.Ordinary Soil (i) Upto 3 m depth

Filling in foundation trenches as per drawing & MoRD technical specification Clause 305.3.9, 1200. i) Sand filling

Providing concrete for plain/reinforced concrete inopen foundations complete including formwork as per drawings & MoRD technical specifications Clauses 802, 803, 900, 1202 and 1203. (including centering, shuttering, staging etc. but excluding reinforcement). a)P.C.C grade M 10 (i) Nominal mix 1:3:6