Construction of Recharge Trenches, Recharge Pit, Recharge Borewell, Desilting chambers and Diversion chambers in Padmavathi Park under SAM 2.0,AMRUT 2.0 in Tirupati Municipal Corporation.

(1) FOR PROPOSED RECHARGE TRENCHES

(RBR -FNDN-1 (i) ) Earthwork in excavation 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(Excavation for Structures)

Providing and filling recharge trenches with graded filter media consisting of boulders (40–60 mm), gravel (20–40 mm) and coarse sand in layers including cost of materials, conveyance, labour, watering and compaction complete. 1. 20mm HBG SS5 M.C (1CUM) = 1871.60 Rs 2. 40mm HBG SS5 M.C (1CUM) = 1228.60 Rs 3. Sand for Filling (1CUM) = 585.48 Rs

Providing and laying non-woven geotextile filter fabric to sides and bottom of recharge trenches including overlaps and fixing complete (Quotation Rate) (Approx. 2 × trench volume / depth basis)

(2) FOR PROPOSED RECHARGE PIT WITH RECHARGE WELL

(RBR -FNDN-1 (i) ) Earthwork in excavation 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(Excavation for Structures)

(BLD-CSTN 4-8) - Construction of RR masonry in CM (1:6) prop., in 2nd sort using granite stone including cost and covenyance of all materials to site, labour charges, curing, all leads, lifts and all other incidental and operational charges etc., complete as directed by the departmental officers for finished item of work.

(BLD-CSTN 3-1- iv) - Construction of Brick Masonary in CM(1:6) prop., using second class Bricks of size 23 X 11 X 7 including cost and conveyance of all materials to site, tools and plants, scaffolding charges, all leads and lifts, curing, all labour charges, all other incidental and operational charges etc., complete for finished item of work. For Honey-comb Brick Lining in Recharge Pits

Providing and filling recharge trenches with graded filter media consisting of boulders (40–60 mm), gravel (20–40 mm) and coarse sand in layers including cost of materials, conveyance, labour, watering and compaction complete. 1. 20mm HBG SS5 M.C (1CUM) = 1871.60 Rs 2. 40mm HBG SS5 M.C (1CUM) = 1228.60 Rs 3. Sand for Filling (1CUM) = 585.48 Rs

Drilling of Bore well by down the hole hammer drilling to a finished dia of 112/165 mm dia in all formations suitable for down the hole hammer drilling such as medium hard rock formation to hard rock formation, all consolidated formation etc. and drilling in over burden to dia not less than 200 mm etc and reaming the bore well to suit insertion of suitable casing pipe etc., including insertion of casing pipe with couplings, caps any other relevant materials upto required depth as directed by the department including transportation of drilling rigs and supporting vehicle and including bore development (Flushing of Bore Well at an average pressure of 150 PSI) conducting yield test, consumables charges, Crew charges required in fixation of pipe assembly completely done to the satisfaction of the department and including all labour charges but excluding all taxes, the cost of casing pipe, couplings, cap etc., The entire work should be carried out as per IS -2800 Part I & II 1979 and amended from time to time. The (Depth assumed up to water-bearing strata/30mtr; to be finalized at site) 1. upto 90m depth=559.16rs (per rmt) 2. 90-150m depth=598.24rs (per rmt) 3. 150-250m depth=671.02 (per rmt)

Providing and fixing PVC / HDPE perforated (slotted) casing pipe of 150–200 mm dia, including lowering into bore well, jointing, cutting slots as required, labour and machinery, complete. 1. 200mm dia HDPE Pipe (1rmt) = 1267.94rs 2. 160mm dia HDPE Pipe (1rmt) = 813.48rs 3. 200mm dia PVC Pipe 6Kg/cm2 (1rmt) = 912.33rs 4. 160mm dia PVC Pipe 6Kg/cm2 (1rmt) = 581.71rs -200mm dia HDPE

(3) FOR PROPOSED DESILTING CHAMBERS

(RBR -FNDN-1 (i) ) Earthwork in excavation 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(Excavation for Structures)

(RBR-FNDN-4G-4V-i) Providing Plain cement concrete M 20 Nominal Mix using 20 mm metal (1:2:4)and using concrete mixer as approved by the department including cost and conveyance of all materials to site, machine mixing of concrete, all lifts, leads, delifts, centering, laying in position, vibrating, compacting, curing, removal of centering, all labour charges, tools and plants, and all other incidental and operational charges etc., complete as per specifications, drawings and as directed by the Engineer - in - Charge (may be used as CC 1:2:4)

(BLD-CSTN 3-1- iv) - Construction of Brick Masonary in CM(1:6) prop., using second class Bricks of size 23 X 11 X 7 including cost and conveyance of all materials to site, tools and plants, scaffolding charges, all leads and lifts, curing, all labour charges, all other incidental and operational charges etc., complete for finished item of work. For Honey-comb Brick Lining in Recharge Pits

(BLD-CSTN 6-8) Plastering with CM (1:5) prop., 20 mm thick, with sponge finishing including cost and conveyance of all materials to site, tools and plants, labour charges, leads, lifts, curing, scaffolding and all other incidental and operational charges etc., complete for finished item of work

(4) FOR PROPOSED DIVERSION CHAMBERS

(RBR -FNDN-1 (i) ) Earthwork in excavation 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(Excavation for Structures)

(RBR-FNDN-4G-4V-i) Providing Plain cement concrete M 20 Nominal Mix using 20 mm metal (1:2:4)and using concrete mixer as approved by the department including cost and conveyance of all materials to site, machine mixing of concrete, all lifts, leads, delifts, centering, laying in position, vibrating, compacting, curing, removal of centering, all labour charges, tools and plants, and all other incidental and operational charges etc., complete as per specifications, drawings and as directed by the Engineer - in - Charge (may be used as CC 1:2:4)

RR masonry work in cement mortar 1:6 using hard granite stones in side walls of recharge pits, including cost of stones, cement, sand, labour, scaffolding, machinery, watering and curing, complete as per drawings and technical specifications and as per Clause 1000 & 1300 of MoRTH Specifications, excluding pointing and plastering, complete. (Bottom of pit left open for natural percolation)

(BLD-CSTN 3-1- iv) - Construction of Brick Masonary in CM(1:6) prop., using second class Bricks of size 23 X 11 X 7 including cost and conveyance of all materials to site, tools and plants, scaffolding charges, all leads and lifts, curing, all labour charges, all other incidental and operational charges etc., complete for finished item of work. For Honey-comb Brick Lining in Recharge Pits

Supply delivery and erection of MS gate and grill of approved size and design including cost and conveyance of all materials and labour for erection etc., complete for finished item of work Desilting chamber Stop gates

Manufacture, Supply and delivery of DI D/F Gate Valves (Sluice valves) Resilient seated soft sealing gate valves (Sluice valves) with body bonnet of ductile cast iron of grade GGG-40/ SG-400/15 or GGG-50/SG 500/7 or equivalent grade as per I.S.3896-part2-1985 and subsequent revisions, wedge fully rubber lined with EPDM food grade quality and seals of NBR and the valves should be of vacuum tight and 100% leak proof with face to face dimensions as per BS5163-89/IS14846-2000/DIN 3202 F 4. All the valves should be with Electrostatic powder coating both inside and outside pocket less body passage. Drilled as per requirement of the dept. 1.80mm dia=11768.98rs 2.100mm dia=14091.46rs 3.150mm dia=21920.05rs 4.200mm dia=28443.88rs