Rate Contract for Construction and commissioning of Tube wells in Alluvium Strata under Distt. Div. Jaisalmer

PHED REVISED BSR 2023-24 ITEMS

Chapter-2 Construction and Commissioning of Tube wells, Open Wells & Hand Pumps.

2.1Construction of tube well from ground level & up to 100 mtr depth to accommodate housing and assembly pipe of following sizes in all type of alluvium strata unconsolidated formation such as pebbles, boulders etc. by percussion/rotary drilling method as per IS:2800 Part 1: 1991 and IS:2800 Part II: 1979 (both amended up to date) and technical specifications, with gravel as per IS:4097-1967 and it's packing as per IS: 2800 (Part I & II) 1979 as amended up to date (the work includes the cost of gravel & it's primary packing and packing during development, lowering of housing & strainer assembly pipes with supply and wrapping of coir-rope, wherever necessary for arresting fine sand particles and development work, but excluding the cost of housing and strainer pipe assembly). The work would be completed after obtaining sand free water.

2.1.2 Nominal bore 200 mm dia.

2.1.3 Nominal bore 250 mm dia.

2.1.4 Add 15% extra on above item (Item no 2.1.2 to 2.1.3) for drilling depth beyond 100 mtr and up to 200 mtr, rate shall be applicable for only extra depth beyond 100 mtr and up to 200 mtr.

Nominal bore 200 mm dia.

Nominal bore 250 mm dia.

2.1.5 Add 40% extra on above item (Item no 2.1.1 to 2.1.3) for drilling depth beyond 200 mtr, rate shall be applicable for only extra depth beyond 200 mtr .

Nominal bore 200 mm dia.

Nominal bore 250 mm dia.

2.2 Construction of Tube Well from ground level and up to 100 mtr. depth to accommodate housing and assembly pipe in all type of alluvium strata, unconsolidated formation such as pebbles, boulders etc. by percussion/ rotary drilling method as per IS:2800 Part 1: 1991 and IS:2800 Part II: 1979 (both amended up to date) and technical specifications for removal of overburden. The work includes the cost of lowering of casing pipe, but excludes the cost of casing pipe.

2.2.1 Nominal bore 200 mm dia.

2.2.2 Nominal bore 250 mm dia.

2.2.3Add 15% extra on above item(Item No 2.2.1 to 2.2.2) for drilling depth beyond 100 mtr, rate shall be applicable for only extra depth beyond 100 mtr . Nominal bore 200 mm dia.

Nominal bore 200 mm dia.

Nominal bore 250 mm dia.

2.3 Construction of tube well after completion of drilling by rotary /percussion method & up to 100 mtr. depth in all type of rocks by DTH system as per IS:2800 Part 1: 1991 and IS:2800 Part II: 1979 (both amended up to date) and technical specifications. The work shall be deemed completed only after obtaining sand free water. The bore well should have a throughout nominal size bore beyond casing pipe.

Nominal bore 200 mm dia.

Nominal bore 250 mm dia.

2.3.4 Add 15% extra on above item (Item No 2.3.1 to 2.3.3) for drilling depth beyond 100 mtr and up to 200 mtr from ground level, rate shall be applicable for only extra depth beyond 100 mtr and up to 200 mtr.

Nominal bore 200 mm dia.

Nominal bore 250 mm dia.

2.3.5 Add 30% extra on above item (Item No 2.3.1 to 2.3.3) for drilling depth beyond 200 mtr and from ground level, rate shall be applicable for only extra depth beyond 200 mtr .

Nominal bore 200 mm dia.

Nominal bore 250 mm dia.

2.4 Construction of Tube Well up to 100 mtr. depth in all type of rocks by DTH system & over burden to accommodate casing pipe of following sizes in all types of soils & over burden including lowering of casing pipes, (if required) excluding cost of casing pipes, as per IS:2800 Part 1: 1991 and IS:2800 Part II: 1979 (both amended up to date) and technical specifications. The work would be completed after obtaining sand free water. The tube well should have a through out bore as per nominal dia of casing pipe.

Nominal bore 150 mm dia.

Nominal bore 200 mm dia.

2.4.3 Add 15% extra on above item (Item No 2.4.1 to 2.4.2) for drilling depth beyond 100 mtr and up to 200 mtr from ground level, rate shall be applicable for only extra depth beyond 100 mtr and up to 200 mtr.

Nominal bore 150 mm dia.

Nominal bore 200 mm dia.

2.4.4 Add 30% extra on above item (Item No 2.4.1 to 2.4.2) for drilling depth beyond 200 mtr and from ground level, rate shall be applicable for only extra depth beyond 200 mtr .

Nominal bore 150 mm dia.

Nominal bore 200 mm dia.

2.4.5 Add 15% extra on above item (Item No 2.4.1 to 2.4.4) for drilling, where strata is collapsible and lowering of casing pipe is required . The work includes lowering of casing pipe, but excluding the cost of casing pipe. The rate shall be applicable for stretch of collapsible strata only.

Nominal bore 150 mm dia.

Nominal bore 200 mm dia.

2.7 Deepening of existing tube well by DTH system beyond existing depth up to 100 mtr. and above in all type of rocks including flushing of tube well and obtaining sand free water.

Nominal bore 150 mm dia.

Nominal bore 200 mm dia.

2.8 Testing verticality of tube well by plumbing system and yield test and draw down test by pumping system as per IS : 2800 (Part – II) – 1979 or as per amended up to date.

2.9 Supplying & Packing P-gravel suitable for slot size/mesh size as suggested in IS 2800 (Part-1) 1991 or as per amended up to date.

2.10 Development of tube well having depth up to 250 mtr as per IS: 11189- 1985 and IS: 2800 (Part- I)- 1991 (both amended up to date) using suitable methods to give sand free water for required yield of the gravel packed tube well.

2.11 Supply of ERW M.S. black casing pipe ISI marked (IS: 4270/2001) or amended up to date of following sizes

2.11.2 200 mm dia NB (Thickness of pipe 5.4mm & mass of tube 28.46 Kg/m)

2.11.3 250 mm dia NB (Thickness of pipe 7.1 mm & mass of tube 46.57 Kg/m)

2.12 Labour charges for making slots on blank pipes made of ERW MS black pipe ISI marked of following sizes, the slotting should be as per IS:8110-1985.

2.12.2 200 mm dia nominal bore of 5.4mm thickness

2.12.3 250 mm dia nominal bore of 7.1mm thickness

2.35 Supply of ISI mark AC pressure pipe class 15 manufactured by MAZZA process as per IS:1592-2003 or amended up to date, for casing of tube well for following dia nominal bore, with jointing material PVC coupler as per technical specification and direction of Engineer In charge.

2.35.3 200 mm nominal dia

2.35.4 250 mm nominal dia

2.35.5 300 mm nominal dia

2.34 Providing and Lowering of ISI mark PVC-U casing and screen pipe as per IS : 12818 : 2010 or amended up to date having pipe thickness as per IS code suitable for TW and DCB with threading , winding with superior quality of plastic mesh & rope in three layers with end cap complete as per technical specification and direction of Engineer In charge. Shallow well casing pipe (CS) suitable for depth up to 80 mtr.

200 mm nominal dia ( internal dia ).

250 mm nominal dia ( internal dia ).

2.34.2 Medium well casing pipe (CM) suitable for depth above 80 mtr and up to 250 mtr.

200 mm nominal dia ( internal dia )

250 mm nominal dia ( internal dia )

2.13 Providing & laying ISi marked GI Pipe '·A class as per IS: 1239 for casing pipe for submersible cable external work 40 mm dia complete in all respect.

2.15 Supply & Installation of 3 phase ISI marked submersible motor pump set of three star or better rating of BEE and as per IS: 8034-2018 (pump) and IS 9283- 2013 (motor) or as amended up to date of approved make of following duty condition with required accessories including making connection suitable for tube well/DCB. The job includes lowering of motor pump, installation of complete fitting & accessories, jointing of electrical cables up to switch board, testing of submersible pump set and interconnection up to water mains, complete in all respect.

2.15.1 Up to 5.5 KW (7.5 HP) & head up to 120 mtr.

2.15.2 Up to 5.5 KW (7.5 HP) & head above 120 mtr.

2.15.3 7.5 KW (1O HP) & head up to 120 mtr.

2.15.4 7.5 KW (10 HP) & head above 120 mtr.

2.15.5 9.3 KW ( 12.5 HP) & head up to 120 mtr.

2.15.6 9.3 KW (12.5 HP) & head above 120 mtr.

2.15.7 11 KW (15 HP) & head up to 120 mtr.

2.15.8 11 KW (15 HP) & head above 120 mtr.

2.15.9 13 KW (17.5 HP) & head up to 120 rntr.

2.15.10 13 KW (17.5 HP) & head above 120 mtr.

2.15.11 15 KW (20 HP) and above, head up to 120 mtr.

2.15.12 15 KW (20 HP) and above, head above 120 mtr.

2.18 Supply and Fixing of electric control feeder panel comprising of suitable rating MCCB , fully automatic star-delta starter, over load relay, ampere meter with CTs, volt meter, phase preventer, suitable starting capacitors, phase indicators, lighting arrangement etc. complete suitable for three phase pump set. The panel should have space for energy meter ( supplied by DISCOM). All these equipments shall be housed by panel box made out from 18 gauge M.S. Sheet with powder coating. Panel should be of minimum size 900 x 600 x 450 mm with Stand ( made of angle iron of size 35x35x5mm) duly bolted/screwed with enclosure box having 4 legs, each leg’s length 18" and double door including in built locking system. The legs should be embedded in M-15 cement concrete plat form. The size of CC platform should be equal or bigger than the base size of panel having height of at least 200 mm from ground level. The panel should have opening of suitable size in front of space for energy meter with glass for meter reading. The operation of panel should be suitable for on 440 Volt AC Supply.

Above 5 HP and up to 10 HP

Above 10 HP and up to 15 HP

Above 15 HP and up to 20 HP

Above 20 HP and up to 30 HP

2.19 Supply & Fixing of ISi marked three core PVC flat submersible cable as per IS 694: 1990 or amended up to date and conductor as per class 5 of IS 8 130: 1980 includ ing making connection etc.

2.19.1 3 core 4.0 mm2

2.19.2 3 core 6.0 mm2

2.19.3 3 core 10.0 mm2

2.19.4 3 core 16.0 mm2

2.20 Supply & Fixing XLPE insulated / P.V.C. sheathed cable of 1.1 KV grade with aluminium conductor Armoured of IS:7098-I/1554-1 approved make in ground as per IS:1255 including excavation of 30cmx75cm size trench, 25 cm thick under layer of sand,

TOTAL AMOUNT Without Taxes in Rs. P

2.26.1 . 50 mm dia

specials (Tee, bend etc.), satisfactory hydraulic testing, disinfection etc. complete as per technical specifications and direction of Engineer-in-charge of following class and diameter. (excluding earth work) . Note : Providing and fixing of all requisite specials as per drawing, design and layout are inclusive in RM measurement of the item and shall not be paid separately. Supply may be in coil or straight length in 6 M/12 M. PE-80 PN-6

1.4.1.3 110 mm dia

1.15 .Providing and fixing of flanged/ plain ended MS Specials made from MS sheet strips of relevant IS specification of approved thickness by welding, lowering, laying, aligning, fixing in position at all level/ depths in trenches complete including all taxes, material, labour, inside lining, outside coating, testing and commissioning along with pipe line as per technical specifications and direction of Engineer-in-charge.

Chapter- 4 Earth work, Road cutting, repairing & trenchless laying

4.1 Earth work in excavation by mechanical means (Hydraulic Excavator )/ manual means in trenches of required width and gradient for laying and jointing of pipe line including excavation for sockets, and dressing of sides, ramming of bottoms, depth up to 1.5 Mtr. including taking out the excavated soil, and then returning the soil as required in layers not exceeding 20cm in depth including consolidating each deposited layer by ramming, watering etc. and disposal of surplus excavated soil as directed within a lead of 50 Mtr. including required all safety provisions etc.: All kinds of soil

4.3 Earth work in excavation by mechanical means (Hydraulic Excavator )/ manual means in trenches of required width and gradient for laying and jointing of pipe line including excavation for sockets, and dressing of sides, ramming of bottoms, depth up to 1.5 Mtr. including taking out the excavated soil, and then returning the soil as required in layers not exceeding 20cm in depth including consolidating each deposited layer by ramming, watering etc. and stacking serviceable material for measurements and disposal of unserviceable material as directed, with in a lead of 50 Mtr. including all safety provisions required .:

4.3.1 Ordinary rock

4.3.2 Hard rock (requiring blasting)

2.26.3 . 80 mm dia

50 mm nominal bore

50 KL RCC GLR

3.5 Construction of RCC Dome type Ground Level Service Reservoir (GLSR) of following capacity as per the Scope of work and Technical specifications, consisting of the following main activities: - a) Topographic survey, preparation of site contour plan, conducting SBC test and its approval from department before construction. Submission and approval of concrete mix design and water quality test report for water to be used in construction. b) Excavation in all types of soil, PCC below foundation and all RCC Work. c) All the GLSR shall be provided with adequate plinth protection all around the structure in a width starting from edge of structure at GL and extending at least up to 1.0m beyond the vertical wall. The plinth protection shall consist of 150mm thick PCC in M-15 concrete over 150mm thick compacted soil fill. d) Providing and applying two coats of food grade epoxy paint on the inside surface of the roof slab, and 600 mm height of the vertical wall giving. e) Successful hydro test and water tightness test as per I.S. code. f) Providing and applying three coats of anti-carbonation paint on the roof Slab. g) Providing and applying three coats of cement-based paint on the remaining external surface area of the structure. h) Providing and fixing SS-304 ventilator, SS 304 manhole frame and cover and SS 304 ladder from top bottom Slab inside container. Providing and fixing water level indicator (Float type). i) Providing and fixing MS ladder from ground to top slab with safety cage. j) All MS parts to be painted with two coats of the enamelled paint over the primer coat of red oxide. k) Providing and fixing of 150mm wide water bar for the construction joints in the container. l) Providing and fixing CI/DI puddle collars the vertical wall for connecting inlet, outlet, overflow and washout pipe of the reservoir. m) Inlet, outlet, overflow, washout pipes and valves are not included in this work, provision for the same shall be taken separately. 3.5.1 Rates for RCC GROUND LEVEL SERVICE RESERVOIR SEISMIC ZONE-II and III and SBC18T/sqm 3.5.1.1 50 KL capacity

Earthwork in excavation in foundation trenches or drains including dressing of sides and ramming of bottoms,lift upto 1.5 Mtr. Including taking out the excavated soil and depositing and refilling of Jhiri with watering and ramming and disposal of surplus excavated soil as directed within a lead of 50 Mtrs. All Kinds of soils

Providing and laying cement concrete including curing compacting etc complete, using stone aggregate of 20 mm Nominal size in foundation plinth , excluding the cost of shuttering using (M-10 Grade 1:3:6) [1 Cement : 3 coarse Sand : 6 Grade Stone Aggregate]

Providing and laying cement concrete including curing compacting etc complete, using stone aggregate of 20 mm Nominal size in foundation plinth , excluding the cost of shuttering using (M-15) Grade Mix 1:2:4 [1 Cement : 2 coarse Sand : 4 Grade Stone Aggregate]

Providing and laying in position specified grade of reinforced cement concrete including curing compaction finishing with rendering in cement sand mortar 1:3 (1-Cement:3-coarse sand) and making good the joints excluding the cost of centering, shuttering and reinforcement. All work up to plinth level :1:1:2 (1-Cement:1-Coarse sand:2-graded stone aggregate 20 mm nominal size).

Centering and shuttering with plywood or steel sheet including strutting , propping , bracing bothway and removal of formwork for foundation in basement raft , footing ,strap beams , bases of columns , etc. upto plinth level

Centering and shuttering with plywood or steel sheet including strutting , propping , bracing bothway with wooden members and removal of formwork for superstructure upto 4.5 m. height above plinth level Walls. ( any thickness) including attached pillasters , buttresses , plinth and string course

Add extra for shuttering in circular work in plan upto 10 m dia.

Providing and fabricating steel reinforcement for R.C.C. work including straigthening,cutting , bending , placing in position and binding complete (including cost of binding