Replacement of Sewer Line and Restoration of Damaged BT road at Ward No. 29 Mullai Nagar 1st Cross in Hosur City Municipal Corporatiom

Earth work excavating and depositing on bank with an initial of 10m and initial lift of 2m including bailing out water with kifts indicated below including guarding and lighting in trenches for laying of pipes in hard stiff clay stiff black cotton, hard red earth shales, muram gravel, stony earth, and earth mixed with small boulders and hard gravel soil(ordinary soil) etc., SS-20B all complete as per standard specification and as directed by the Department Officers for 300 mm dia DWC pipe

Supply and Delivery of DWC Structured Wall Polyethylene Piping Systems (Pipe with online/offline coupler and elastomeric sealing ring) with required specials non-smooth external annular corrugated and smooth internal surface (Double wall) (SN 8 Class) for non-pressure underground sewerage, drainage application generally as per IS-16098 (Part-2) type B

Lowering of 300 mm dia DWC pipes and specials to trench and laying to proper grade and alignment, jointing with PVC couplers with cement paste

Plain Cement Concrete 1:5:10 (One Cement, Five crushed stone sand and Ten hard broken stone jelly) using 40 mm gauge hard broken granite stone jelly for foundation including dewatering wherever necessary and laid in layers of not more than 15 cm thick well rammed, consolidated and including curing etc. complete complying with standard specification and as directed by the departmental officers. -Mixing by manual means

Plain Cement Concrete 1:2:4 (one cement, two crushed stone sand and four hard broken stone jelly) using 20mm jelly for wearing coat including laying, compacting, finishing and curing, etc., complete as per standard specificatins and as directed by the departmental officers.-Mixing by mechanical means

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