WB-HMC/NIT/ED/14/EE-II/26-27

Excavation in Soil by Manual Means Excavation for roadway in soil using manual means including loading in truck for carrying of cut earth to embankment site with all lifts and lead upto 1000 metres (Reference to MoRT&H's specification clause 301) [PWD N.HIGHWAY WING, w.e.f 2019-20, P-79, It-1]

Sand Filling in Foundation Trenches with good local sand free from earth not exceeding 150 mm compacted thickness including inundating each layer by profuse water and porking and rammimg layer by layer. Quality of sand is to be approved by the Engineer-in-charge.(Reference to MORT&H's specification 304). [PWD N.HIGHWAY WING, w.e.f 2019-20, P-79, It-1]

Brick masonry work with 1st class full size bricks except when necessary to complete the bond in cement morter 1:3 in foundation complete, including thoroughly soaking the bricks in a tank filled with water for a minimum period of one hour prior to being laid, protecting the green structure from rain by suitable covering and with a minimum Seven days curing etc., but excluding pointing and plastering, as per drawing and Technical Specifications.(Reference to MORT&H's specifications 1300 & 2200). Cement Mortar1:4 (1cement :4 sand) [PWD N.HIGHWAY WING, w.e.f 2019-20, P- 183, It-5]

By Mix in Place Method Construction of granular sub-base by providing graded materials such as natural sand/crushed gravel/crushed stone/combination depending upon the required grading , spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator and compacting with vibratory roller to achieve at least 98% of the maximum dry density for the material determined as per IS:2720 (Part 8), complete as per clause 401 desired density, complete as per clause 401 for grading-II Material [PWD N.HIGHWAY WING, w.e.f 2019-20, P-99, I- 1B]

Water Bound Macadam Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with 3 wheeled steel/ vibratory roller 8-10 tonnes in stages to proper grade and camber, applying and brooming requisite type of screening/ binding Materials to fill up the interstices of coarse aggregate, watering and compacting to the required density (Reference to MoRT&H's specification 404). By Manual Means 9A(ii) Grading-2 (Table 400-9) 9A (ii) (b) Using Screening (Table 400-10) Type-B (11.2 mm aggregate) [PWD N.HIGHWAY WING, w.e.f 2019-20, P-104, IT-9 RATE ANALYSIS)]

Supplying, binding, fixing etc. including initial straightening, cutting to requisite length, hooking and bending to correct shape, placing in proper position of uncoated HYSD reinforcement bar in sub-structure complete as per drawing and Technical Specifications (Reference to MORT&H's specifications 1600 & 2200) [PWD N.HIGHWAY WING, w.e.f 2019-20, P-217, It- 40]

Plain/Reinforced cement concrete in sub-structure complete all including vibrating and compacting, finishing, curing, sampling, testing etc. by mechanically mixed as per drawing and Technical Specifications (Reference to MORT&H's specifications 1500, 1700 & 2200). 5E RCC Grade M20 Using concrete Mixer [PWD N.HIGHWAY WING, w.e.f 2019-20, P-221, It-5e]

Plastering with cement mortar (1:3) on brick work in sub-structure complete all including raking out joints curing, etc as per Technical Specifications (Reference to MORT&H's specifications 1300 & 2200) [PWD N.HIGHWAY WING, w.e.f 2019-20, P-219, It-3]

Add G.S.T 18%

Add 1% Welfare Cess