Boring and installation of Two No. deep bore TWell against One no. abandoned TWell No. 2 Sec 12 Panchkula and against one no. Twell no.1 Sec 11 Panchkula for Augmentation of water supply Sec12 and 11 Panchkula

App. Item as per HSR-Item: [20.96.1] [Through Rate] - “Drilling of 609.60mm dia bore by hydraulic rotary drilling (reverse circulation method) percussion rig according to ISI specification No. 2800-1991 (Part-I) as amended up to date and modified to extent of the specification attached with this schedule of items of work in all kinds of soils and boulders up to any size of dia (as per site requirement) except rocky strata including the cost of all consumable stores, fuel, oil, soil stabilizing material and transportation of rig and other accessories to the site of proposed bore and back including cost of lowering of all size of casing pipe while boring and extracting the same against earth friction etc. complete to the satisfaction of the Engineer-in-charge. 1. Drilling from 0 metre but up to 200 metre BGL”.

App. Item as per HSR-Item: [20.96.2] [Through Rate] - “Drilling of 609.60mm dia bore by hydraulic rotary drilling (reverse circulation method) percussion rig according to ISI specification No. 2800-1991 (Part-I) as amended up to date and modified to extent of the specification attached with this schedule of items of work in all kinds of soils and boulders up to any size of dia (as per site requirement) except rocky strata including the cost of all consumable stores, fuel, oil, soil stabilizing material and transportation of rig and other accessories to the site of proposed bore and back including cost of lowering of all size of casing pipe while boring and extracting the same against earth friction etc. complete to the satisfaction of the Engineer-in-charge. Above 200 metre but up to 200 metre BGL

20.98-Providing and fixing in position suitable bail plug hook of 219.10mm/273.10mm as per IS 226 as amended up to date, including the cost of M.S. Screwed sockets etc. complete in all respects to the entire satisfaction of the Engineer-in-charge of the work.

20.106.2-Supply, testing and lowering (ERW) electric resistance welded M.S. pipes with MS threaded socket as per IS 4270 as amended up to date, duly ISI marked for housing pipe in 4 to 7 metres random length into bore well with 88.90mm of threaded ends (8 threads to an inch or 25.40 mm) manufactured out of 8mm thick MS plates with required numbers of MS socket 177.8mm with inside thread to match the pipe threads and made out of MS plate in to borehole in vertical position including cost of all tools and plants, complete in all respects to the satisfaction of Engineerin-charge, including cost of all cutting, threading of pipe, welding, where required and all sockets. The pipe shall be painted with anti corrosive paint and covered tightly with polythene of following sizes: 2. 250x8.0mm

20.107.1.8:- Supply, testing and lowering of ISI marked all welded stainless steel screen (SS304) cage Type V-Wire Wound Screens in bore wells conforming to IS:8110 and compositions of material as per IS:1012, outer dia 221mm equivalent thickness required as per code, ensile load 14000 kg minimum and ring thickness as per IS code of following sizes:- 1.8. Stainless Steel Screens 250x8.2x0.75mm [Through Rate]

20.100:- Supplying and fixing well threaded M.S. cap for 273.10mm outer dia M.S. pipe as per ISI 226 as amended up to date to the satisfaction of the Engineer-in-charge. [Through Rate]

20.101:- Supplying as per IS 226 as amended up to date deodar wooden box made of 20mm thick wood size 60 cm x 75 cm x 30 cm with lid and locking arrangement etc for preserving the strata samples received from the bore as and when desired by the Engineer-in-charge. [Through Rate]

20.102:- Supplying and fixing 273.10mm M.S. clamp as per IS 226 as amended up to date for supplying the housing pipe supported on two girders not less than ISMB 100mm x 150mm, weight not less than 17.00 kg / m, cross section area not less than 21.67 sq. cm, flange thickness 7.00mm, web thickness 5.40mm, 2.00 m long (each) embedded in suitable foundation as approved by the Engineer-in-charge. [Through Rate]

[20.105:- Providing and fixing centralizer guides (centralizer) fitted to the well assembly except the housing pipe, at bottom and at a spacing of 12 m centre to centre, to keep the assembly in centre of the bore hole as per approved design and specifications with MS threaded socket, confirming to IS : 226 amended up to date. Electric Resistance welded (ERW) M.S. Pipes / ERW Cage type Vee wire wound screen / Stainless steel screen / galvanized screens duly ISI Marked [Through Rate]

20.104:- Electric logging of tube well. [Through Rate]

20.99-Supplying and packing graded gravel in bore well of size as per ISI 4097, as amended up to date (Grade A) and specification attached with this schedule of item of work. The gravel should be free from dust, dirt or vegetable matters. Packing to be done from the housing pipe to the bottom of liner all around in the bore and will be placed after liner and housing pipes have been lowered and suitably clamped. Thickness and size of the gravel packing will be designed and directed by the Engineer-in-charge strictly as per relevant ISI.

[20.103.3:- Development of tube well according to clause 9.3 of IS: 2800-1991 (Part-I) as amended up to date and specifications attached and as directed by the Engineer-incharge of the work including the cost of all consumable stores, fuel, oil, compressors, pumps and chinery etc. as required for the work. 3. Compressor 1100cfm x 350 psi [Through Rate]

20.95:- Development of tube well with pump of suitable rating to that full satisfaction and as directed by the Engineer-in-charge [Through Rate]

20.54.4:- Providing GI pipes class B marked with IS: 1239 in 3.05 m length, their threading and welding with flanges (Heavy Duty) on both sides, jointing with nuts and bolts ( ‘W’ make), rubber gaskets , lowering into Tube wells and testing including carriage, loading, unloading etc. complete in all respects to the satisfaction of Engineer-in- Charge. 4. 100 mm i/d [Through Rate]

20.63.1:- Providing, lowering, laying in trenches, aligning, fixing in position and jointing Ductile Iron (DI) ISI marked K-9 grade SandS pipes as per 15:8329-2000 (amended up to date), with internal cement mortar lining for potable water with rubber ring (EPDM/SBR) joints as per IS: 5382 -1985 (excluding special accessories) complete including all material, labour, hydraulic testing and commissioning as per Technical Specifications and as per irection of Engineer. Note: E/W to be measured and paid separately. ` 1. 100 mm i/d [Through Rate]

20.63.2:- Providing, lowering, laying in trenches, aligning, fixing in position and jointing Ductile Iron (DI) ISI marked K-9 grade SandS pipes as per 15:8329-2000 (amended up to date), with internal cement mortar lining for potable water with rubber ring (EPDM/SBR) joints as per IS: 5382 -1985 (excluding special accessories) complete including all material, labour, hydraulic testing and commissioning as per Technical Specifications and as per direction of Engineer. Note: E/W to be measured and paid separately. ` 2. 150 mm i/d [Through Rate]

20.10.1:- Extra for fixing sluice valves/flap valves socketed or flanged including cartage from stores or nearest Railway Station to site of works 1. 80 mm i/d [Through Rate]

20.10.2:- Extra for fixing sluice valves/flap valves socketed or flanged including cartage from stores or nearest Railway Station to site of works 2. 100 mm i/d [Through Rate]

20.10.3:- Extra for fixing sluice valves/flap valves socketed or flanged including cartage from stores or nearest Railway Station to site of works 3. 150 mm i/d [Through Rate]

22.185.2:- Providing and fixing C.I. double acting air valve of approved quality with bolts, nuts, rubber insertions etc. complete (The tail pieces, tapers etc if required will be paid separately) : 2. 80 mm dia [Through Rate

20.11.3:- Providing and fixing cast iron double flanged swing check type reflux (non return) valves PN-1.6 marked with IS:5312 including nuts and bolts marked with IS:1363, rubber sheet marked with IS:638 etc., carriage loading, unloading, stacking, handling, re-handling etc. Complete in all respect to the satisfaction of Engineer-incharge 3. 150 mm i/d [Through Rate]

24.5.1.6:- MISCELLANEOUS ITEMS 1.6. Supply and jointing three core submersible flat cables of approved make with bare bunched copper conductor insulated and sheathed with PVC for submersible pump motors /fountain lights etc with voltage grade 1100 volts marked with IS:694, 1990 including cost of jointing, materials as well as carriage, loading, unloading etc. complete in all respect up to the entire satisfaction of Engineer- in-Charge. Submersible Copper Cable 3 Core 16 sqmm [Through Rate]

20.68.1:- Providing, lowering, laying in trenches, aligning, fixing in position and jointing at all level/depths Ductile Iron (DI) standard specials plain /flanged/ socketed confirming to IS9523-2000 with rubber ring (EPDM/SBR) joints such as tees, bends, tapers, caps etc. with in trenchesin DI pipe line complete including all material, labour, testing and commissioning along with pipe line as per Technical Specifications and as per direction of Engineer. 1. Up to 300mm dia [Through Rate]