General

Earthwork excavation in Ordinary soil by Mechanical Means upto 3 m depth for structures as per drawing and technical specifications Clause 305.1 including setting out, construction of shoring and bracing, removal of stumps and other deleterious material and disposal upto a lead of 50 m, dressing of sides and bottom and backfilling in trenches with excavated suitable material as per Technical Specification 305 MORD / 304 MORTH (RBR-FNDN-1(B)) - 1 Cum

Carting away the surplus excavated earth from the work site with a lead of 3 km beyond initial lead including loading, unloading and conveyance but excluding stacking charges etc., complete - 1 Cum.

Construction of granular sub-base (GSB) by providing Well graded material for Grading III mixing in a Mechanical Mix Plant at OMC carriage mixed material to work site spreading in uniform layers with motor grader on prepared surface and compacting with 80-100 kN Vibratory Roller to achieve the desired density, complete as per Technical Specification of MORTH.

Providing, laying, spreading and compacting graded HBG Crushed stone aggregate to Wet mix macadam specification including cost, seigniorage of all material and including premixing the material with water at OMC in mechanical mixer Plant carriage of mixed material by tipper to site, laying in uniform layers with paver in base course on well prepared surface and compacting with Vibratory roller of 8 to 10 to achieve the desired density etc., as directed by the Engineer-in-Charge and as per MORTH & H Specification for finished item of work. (RBR-SBBS-11)

Manufacture, supply and delivery of H.D.P.E Pipes conforming to IS 4984-1995 including transportation to any where in A.P excluding Taxes. (Supply upto 90 mm dia in coil & above 90 mm dia straight length in 6 M) (P.H Items, P.56)

Manufacture, Supply and Delivery of HDPE fittings & Specials conforming to IS 4984-1995 including transportation to anywhere in AP excluding excise duty, sale tax and specials etc. complete as per SS

110mm CID joints

160x110 reducer

Supply and delivery of "Resilient Seated Soft Sealing" Gate Valves (Sluice Valves) with Body and Bonnet of Ductile Iron GGG-40/SG-400/15 or GGG-50/SG-500/7 or Equivalent as per IS1865, IS:3896-2 and Wedge fully Rubber Lined with food grade quality grade W270 grade EPDM, Replaceable Spindle Nut without gland packing with 3-O ring protection system on the Shaft and Seals of NBR. The Valves should be Vacuum tight and 100% leak proof with face to face dimensions as BS:5163 Type A/IS:14846. All the valves should be with fusion bonded Electrostatic Powder coating both inside and outside (Min 250 Microns)-RAL 5005 with Pocket Less Straight through body Passage conforming to Design standards of DIN-3202F4/BS:5163 Type A Flange drilling as per IS - 1538 excluding all taxes, duties and transportation.

Earthwork excavation in Ordinary soil by Mechanical Means upto 3 m depth for structures as per drawing and technical specifications Clause 305.1 including setting out, construction of shoring and bracing, removal of stumps and other deleterious material and disposal upto a lead of 50 m, dressing of sides and bottom and backfilling in trenches with excavated suitable material as per Technical Specification 305 MORD / 304 MORTH (RBR-FNDN-1(B)) - 1 Cum

Filling with dust for trenches as per drawing and technical specification Clause 305.3.9 MORD & 304 MORTH (revised RBR-FNDN-2.i)

Laying and Jointing of HDPE Pipes by butt fusion welding as per IS:7634-Part-II/1975 as amended from time to time to the alignment and gradient and testing the pipe line to t he required pressure.

Supply and Delivery of Bolts and Nuts (1/2" to 1") including taxes and conveayce etc. complete as per SS

Supply and Delivery of 6mm thick Rubber packing including taxes and conveyance etc. complete as per SS

Providing House Service Connections by providing clamp saddles for tapping from HDPE mains with MDPE Fusion tapping saddle with female metal thread (SS-304) as per BSEN 12201/3 EN 1555/3 or ISO 8085-3 with pressure rating as PN 12.5 compression elbow with one side compression end suit 1/2" (20mm OD) MDPE pipe and other side with male off-take with SS-304 material inserts of size 1/2" BSP{ threads body nut and cap polypropylene clip ring POM (Acetylicresin) and O ring of NBR material as per ISO 14236-2000 standards wioth pressure ratingPN 16 Compression elbow with both side compression end to suit 1/2" (20mm OD) MDPE pipe body, nut and cap polypropylene clip ring POM (Acetylicresin) and O ring of NBR material as per ISO 14236-2000 standards wioth pressure ratingPN 16 . including all taxes transportation and other levies and cduties excluding GST & Seignorage etc, on HDPE mains .including all labour charges etc.complete

Bailing out water from the pipe line trenches with oil engine driven pump sets, including hire charges, fuel charges and wages for Driver and Helper.

Provision for Seignorage charges

Consideration @ 100%

Provision for NAC @ 0.10%

Provision for GST @ 18%

Provision for TPQA @ 0.739 %

Unforeseen item