Constn of road from NH_8 (Bye_Pass) Surjyamaninagar 400 KV Sub_Station road to Ranirkhamar_Pritilata road under Special Assistance_SH_Construction of drain, CD along with other allied works

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. I. Ordinary Soil i) Upto 3 mtr. depth

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

Providing concrete for plain concrete (using jhama brick aggregate) in open 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)I.P.C.C grade M 10 (using jhama brick aggregate) (ii) Nominal mix 1:3.6 (Hand Mixing)

Brick masonry work in cement mortar in foundation completed excluding pointing & plastering as per drawing & MoRD technical specifications Clauses 600, 1202 &1203. II.Brick masonry in 1:4 cement mortar

Plastering with cement mortar (1:4) 12 mm thick on brickwork/ C.C. work including a finishing coat of neat cement punning with 2.75 kg of cement per sqm in substructure as per MoRD technical specification Clauses 613.4 & 1204.

Plain/reinforced cement concrete in substructure complete including formwork as per drawings & MoRD technical specification Clauses 802, 804, 805, 806, 807, 900, 1202 & 1204. (including centering, shuttering, staging etc. but excluding reinforcement) I. P.C.C grade M 15 (1:2.5:5 Nominal mix)

Plain/reinforced cement concrete in substructure complete including formwork as per drawings & MoRD technical specification Clauses 802, 804, 805, 806, 807, 900, 1202 & 1204. (including centering, shuttering, staging etc. but excluding reinforcement) II. RCC M 25 i) Upto 5 mtr. height

Supplying, fitting & placing Thermo-Mechanically treated bar/ Cold twisted deformed steel bar in substructure complete as per drawings & MoRD technical specification Clauses 1002, 1005, 1010 and 1202.

Providing & laying filter media with jhama brick aggregates as per specification to a thickness of not less than 600 mm with smaller size towards the soil & bigger size towards the wall & providing over the entire surface behind abutment, wing wall, return wall to the full height, compacted to firm condition complete as per drawing and MoRD technical specification clause 1204.3.8.

Providing weep holes on brick masonry/ plain/ reinforced concrete wall with 75 mm dia uPVC pipe with ISI mark of approved/ reputed make extending through the full width of the structures with slope of 1(V):20(H) towards drawing face including cutting, fixing etc. complete as per drawing and direction of the Engineer-in-Charge and technical specification.

Construction of Embankment with Material Obtained from Borrow Pits 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 5.00 km as per MoRD Technical Specification Clause 301.5.

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.

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