Lucknow Development Authority Tender

3.00 - 4.50 m

4.50 - 6.00 m

6.00 - 7.50 m

7.50 - 9.00 m

Supply & Laying of Double wall corrugated (DWC) pipes made of PP confirming to IS 16098 P-2 (Make Astral / Rex, Alom, Supreme) For leak proof Joints “Double Wall Corrugated (DWC) Pipe above 150mm ID ( in all the stiffness classes ) , should be supplied with Integral non-detachable socket having a minimum ring stiffness of 4 KN/m2 when tested individually according to Annexure C of IS-16098 Part I. For proper and leak tight jointing, Pipes of 200 & above sizes shall be joined with the help of Jacks only - to be provided by the pipes suppliers . No manual jointing is permitted for 200mm sizes. DWC pipes Manufacturer /or its group company should have at least 3 years’ experience of production of any type/ specification of Double Wall corrugated ( DWC ) pipes. The Elastomeric Rings used must be of ISI mark only. The manufacturer of the pipes should also have valid accreditation for ISO 9001 & ISO 14001.(Technical Requirements / amendments required In line with the Standard – 16098)

600 mm ID Sn16

Supply & Laying of R.C.C. NP 3 Spigot & Socket Pipes at site of Folling M.M.Dia

1200 mm dia

Providing and laying Cement concrete 1:4:8 ( 1 cement : 4 coarse sand : 8 graded stone ballast 40 mm. nominal size) including supply of all materials. labour and T&P etc. required for proper completion of the work and curing complete, also including cost of formwork in foundation and floors.

Providing and laying Cement concrete 1:2:4 ( 1 cement : 2 coarse sand : 4 graded stone grit 20 mm. nominal size) including supply of all materials. labour and T&P etc. required for proper completion of the work and curing complete, also including cost of formwork in foundation and floors.

Pumping out sub-soil water to keep trenches dry during excavation of trenches other constructon and laying of sewer (6.00 to 7.50 m depth)

Pumping out sub-soil water to keep trenches dry during excavation of trenches other constructon and laying of sewer (7.50 to 9.00 m depth)

Provide and fix open timbering in (covering 1/3 of surface area by plank) in trenches for the depth upto 3m below grond level consisting of 40mm thick approved country wood planks for polling boards. 125 mm x 75 mm Indian sal wood wallers and 100 mm dia sal ballies for struts at 1.5m percent including removal after laying of sewers.(Both sides of trenches will be taken as one side for the purpose of payments and measurements i.e. area equal to length x depth of trench)Dismantled timbering materials will be the property of the contractor.

0.00-3.00 m

3.00-6.00 m

6.00-9.00 m

Construction of 1200mm internal Dia at bottom and 560mm dia at top in (1 cement & 4 coarse sand mortar) in side 12mm thick Plaster in 1:4 cement & coarse sand mortar finish with Floating coat of neat cement including PCC 1:4:8 (cement, coarse sand) & 40mm gauge stone ballast 300mm thick and making necessary channel in cement concrete 1:2:4 (cement, coarse sand) & 20mm gauge stone grit) finish with Floating coat of neat cement including 560mm dia Precast R.C.C. Manhole Cover with Frame (EHD-B118) and P/F M.S. foot rest all complete as per standered design LDA

Addition/ subtraction depth for cicular type manhole 1200mm internal dia at bottom