ENIT 06/ O M BWN/2026-27

Excavation in trenches with straight or open cutting in streets, lanes or in open areas for intramural sullage drains, intramural intercepting drains and outfall drains storm water channels and other work contingent or incident thereto, by mecanical means (JCB or Hydraulic excavator) including manually dressing of bed, trimming of sides and sides slopes to full dimensions and depth as shown on the drawings or as shall be required by Engineer-in-charge including dressing to correct sections and dimensions according to templates and levels, dewatering of rain water, diversion of traffic, providing and fixing and maintenance of caution boards, fencing, night signals, watching etc. subsequent refilling , watering and dressing upto ground level for lead upto 15 m and for all lifts including disposing surplus soils up to 15 metre complete in all respects. (A) Depth upto 2.00 m. (i) All kinds of soil except rocky As per Pb CSR 2020 Ref 29.1 (B (A)(i))

Providing, lowering in trenches to correct gradient and alignment, jointing with tyton rubber joint and cutting of reinforced cement concrete spigot and socketed pipes and specials with rubber ring ISI marekd as per IS code IS 458-2003 into trenches for all depths and laying out the same to correct alignment, gradients, levels etc. cutting of concrete beds and joints holes, supporting the pipes and specials in correct position in a suitable rigid manner while the same are being jointed and until the surrounding benchings, haunches and envelopes are completed. The pipes shall rest on the beds at all joints through their lengths and fixing of rubber ring, facing, testing the pipes for leakage and making good the same leakage and all defects to the entire satisfaction of the Engineer-in-charge including all cartage etc. (B) R.C.C. Pipe NP -2 (E) 300mm i/d pipe. As per Pb CSR 2020 Ref 29.46 (B(e))

Providing, laying in trenches and jointing of HDPE pipes having ISI specification IS:14333, PE100, class PN-6 marked on them, make Reliance/ Hasti / Dura-Line , laying the same in trenches to correct alignment and gradients, cutting and jointing testing for water tightness and making good the leakages and defects including cost of specials complete in all respects. (c) 160mm o/d pipe As per Pb CSR 2020 Ref 29.44(c)

Earth work in excavation in foundations trenches etc. in all kinds of soil where Pick-Jumper work is not involved and not exceeding 2.0 metres depth including dressing of bottom and sides of trenches, stacking the excavated soil clear from the edge of excavation and subsequent filling around masonry in 15 cm, layers with compaction including disposal of all surplus soil as directed within lead of 30 metres As per Pb CSR 2020 Ref 6.6

Cement concrete 1:2:4 (a) With stone ballast or shingle (ii) mixing by mechanical means using concrete mixer volumetric type As per Pb CSR 2020 Ref 10.13 (a(ii))

Cement concrete 1:3:6 (a) With stone ballast or shingle (ii) mixing by mechanical means using concrete mixer volumetric type As per Pb CSR 2020 Ref 10.12 (a (ii))

Providing, Laying , fixing & jointing of P.V.C. Pipes as per ISI-4985 (ISI marked with the prior approval of Engineer-in-Charge) along the Trenches and laying the same in Trenches to correct alignment and gradients, cutting, jointing and testing complete as per specifications. (xvi) 160mm o/d pipe of 6 Kgf. / sqcm As per Pb CSR 2020 Ref 28.13 (xvi)

First class burnt brick laid in cement sand mortar 1:6 in foundation and plinth As per Pb CSR 2020 Ref 11.3 (i)

Laying of Dry stone Ballast 40 mm gauge for flooring As per Pb CSR 2020 Ref 14.2

Providing & Fixing of 10 gauge welded mesh of 25mm x 25mm size fixed on steel glazing with MS flat 20mm x 6mm beeding complete in all respect including painting two coats with Synthetic Enamel Paint and Priming Coat As per Pb CSR 2020 Ref 18.31