Construction of Piezometer wells with DWLRs in Delhi, Punjab, Haryana, Uttarakhand and Himachal Pradesh states under PIB Project (Package-IV)

Amount

Drilling of pilot hole for PZ not larger than 216mm (8 1⁄2 “ by rock roller/ drag bit including sample collection and preparation of litholog

Electrical Logging using 406mm and 1626mm (16'' and 64''), SP registivity probe and Natural Gamma logging, preparation of litholog, submission of report including zone wise water quality along with logging graphs, composite log etc.

Enlargement of hole by reaming in PZ to accommodate well assembly of recommended size and gravel envelope of minimum 100 mm thickness as given below

Using 250 mm (10') RR Bit for 100 mm(4”) assembly pipe (for 50m depth Pzs)

Supply and Installation of ERW casing pipe conforming to Table 3 of latest version of IS: 4270-2001 of diameter and thickness given below

100mm (4”) Nominal Bore thickness 5.4mm

Supply and installation of LCG V- wire screen conforming to latest version of IS: 8110-2000 of dimension given below

100mm (4”) Normal Size thickness 7mm with slot opening size 1.0 mm

Supply and shrouding 01 pea gravel confirming to Latest version of IS: 4097-1967

Particle size range 2.00 mm to 4.5 mm for 1.0 mm and 0.75 mm slot opening

Chemical analysis of water samples for 15 parameters pH, EC, TH, TDS, Ca, Mg, Na, K, CO3, HCO3, SO4, NO3, Cl, F & Fe in NABL accredited labs and submission of reports

chemical analysis of water samples for Heavy metals _Arsenic & Uranium in NABL accredited labs and submission of reports

Deployments by Air Compressor of adequate capacity for minimum 5 hours till discharge water is clear and free of sand including collection of water samples from PZ. Collection of Water samples asper prescribed format mentioned below.

Construction of Cement concrete platform 0.7*0.7*0.6 m (0.3 m above ground level) using concrete mix of 1:2:4 around the pipe welded minimum 6 ns of anchoring plate asper drawing

Supply and installation of display board asper drawing

Supply and installation of protection box along with brass lock (7lever hardened) and three keys for each lock asper drawing

Preparation and submission of basic data report per site in triplicate along with logging graphs, data sheets, analysis sheet,logging graphs , chemical analysis report from NABL lab, site location map and approachability with land marks, photographs and videos of activities of drilling, assembly lowering, gravel measurement and gravel packing, well development using compressor and well water discharge, water sample collection during compressor development, well discharge with discharge measurement via V-Notch, well site with display board well cap, protection box activity for each Pz site, etc.The soft copy should be submitted.Summary of wells details in xls format (as per proforma given by CGWB) including details of dia and depth housing pipe, assembly pipe, screen pipe, static water level, TDS, aquifer parameters, safe discharge,gravel packing depth and thickness, Litholog etc should be also submitted.

Description of Work / Item(s)

Amount

Drilling of pilot hole for Pz not larger than 216 mm (8 ½”) by rock roller/ drag bit using bentonite mud including sample collection at every 1 metre and on change in formation and preparation of litholog, alongwith video recording etc using direct rotary method. Scope also includes shifting of the rig from one point to other, bringing the site to previous condition after completion of work

Bore hole logging and preparation of composite log and interpretation of Zone/Fracture Zone/chemical quality of Zone and submission of geophysical report with log chart and interpretation of graph and geophyscial data alongwith video recording( As per the recommendation of the Site Geologist of CGWB,NHR, Dharamshala)

Electrical logging using 406 mm and 1626 mm (16" and 64") SP resistivity probe and Natural Gamma Logging upto the targeted depth of max 103 m.

Enlargement of hole by reaming in Pilot Hole to accommodate well assembly of recommended size and gravel envelop of minimum 100 mm thickness as given below using direct rotary method.

Using 311.15 mm ( 12 1/4”) RR Bit for 101.6 mm (4”) assembly pipe

Supply and installation of ERW casing pipe conforming to Table 3 of latest version of IS: 4270-2001 of diameter and thickness given below with bail plug of minimum length of 2 meter

100 mm (4”) Nominal Bore thickness 5.4mm

Supply and installation of LCG V- wire screen conforming to IS – 8110:2000 or latest

a) 101.6 mm (4") with minimum thickness 7.0 mm and Slot opening 1.5mm (1/16")

Supply and shrouding with pea gravel of size 2.0 to 5 mm conforming to IS:4097-1967.

Development by Air Compressor of adequate capacity for minimum 5 hours, over pumping and by other means till discharge water is clear and free of sand including collection of two water samples from PZ well adopting standard procedure in 1 litre HDPE bottle, along with video recordings of compressor hour meter, discharge etc. Payment to be made based on actual compressor reading duly verified by the Site Engineer

Conducting the Chemical Analysis from NABL accredited Lab and submission of reports.

Chemical Analysis & preperation and submission of Test Report for Basic Parameters: (PH,EC,CO3,HCO3,Cl,SO4,NO3,TH,Ca,Mg,Na,K,F,Fe,TDS) for samples

Chemical Analysis & preperation and submission of Test Report for Heavy Metals (Arsenic & Uranium) for samples

Construction of cement concrete platform of dimension 0.70 X 0.70 X 0.60 m (0.30 m above ground level) using concrete mix of 1:2:4 around the around the Piezometer well welded with minimum 6 Nos of anchoring plate as per drawing

Supply and fitting of well cap as per drawing with Allen Keys. MS Plate size 5 mm embossed & welded with permanent marking of “ CGWB PZ” should be carved with welding on outer surface of casing pipe

Supply and installation of protection box made of 3 mm GI sheet of Size: 550mm X450mm X530mm along with Brass lock (7 lever hardened) and three keys for each lock as per drawing

Supply and installation of Display Board as per drawing

Preparation and submission of basic data report per site in triplicate along with data sheets, analysis sheet, chemical analysis report from NABL lab, site location map and approachability with landmarks, photographs and videos of all activities of drilling, assembly lowering, gravel measurement and gravel packing, well development using compressor and well water discharge, water sample collection, well discharge with discharge measurement, well site with display board, well cap, protection box for each site, etc.The soft copy as well as hard copy should be submitted. Summary of Piezometer details in xls format (as per proforma given by CGWB) including details of dia and depth of assembly pipe, screen pipe, static water level, gravel packing depth and thickness, Litholog etc. should be also submitted.

Description of Work / Item(s)

Amount

Overburden drilling in Bouldary Formation by Odex Method using the Casing Pipe as specified below alongwith preparation, collection of litho samples at interval of 3.00 mtrs and on change of formation and preparation and submission of litholog, jacking work of odex pipes lowered etc alongwith video recording . Scope also includes shifting of the rig from one point to other, bringing the site to previous condition after completion of work and for wastage of pipe , etc

to accommodate casing pipe of size 203.2 mm (8”) ID upto 50 metres from ground level using Odex drilling method Odex -190

to accommodate casing pipe of size 152.4 mm (6”) ID from 50 metres to 100 metres below ground level Odex drilling method Odex 140. The casing pipe will be lowered from 0.00 to 100.00 mbgl (drilling will be from 50.00 Mbgl to 100.00 mbgl)

Drilling by DTH method using appropriate sizes of button bits not less than 139.7 mm( 5 1/2") so as to reach targeted depth with final hole diameter not less than 139.7 mm( 5 1/2") including formation sample collection at every 3m interval including preparation and submission of litholog. (Need Based)

Bore hole logging and preparation of composite log and interpretation of Zone/Fracture Zone/chemical quality of Zone and submission of geophysical report with log chart and interpretation of graph and geophyscial data alongwith video recording( As per the recommendation of the Site Geologist of CGWB,NHR, Dharamshala)

Natural Gamma Logging upto the targeted depth of max 102 m

Supply and installation of ERW casing pipe conforming to Table 3 of latest version of IS: 4270-2001 of diameter and thickness given below with bail plug of minimum length of 2 meter

101.6 mm (4”) Nominal Bore thickness 5.4mm

Supply and installation of LCG V- wire screen conforming to IS – 8110:2000 or latest

100 mm (4") with minimum thickness 7.0 mm and Slot opening 1.5mm (1/16")

Supply and shrouding with pea gravel of size 2.0 to 5 mm conforming to IS:4097-1967

Development by Air Compressor of adequate capacity for minimum 5 hours, over pumping and by other means till discharge water is clear and free of sand including collection of two water samples from PZ well adopting standard procedure in 1 litre HDPE bottle, along with video recordings of compressor hour meter, discharge etc. Payment to be made based on actual compressor reading duly verified by the Site Engineer

Conducting the Chemical Analysis from NABL accredited Lab and submission of reports.

Chemical Analysis & preperation and submission of Test Report for Basic Parameters: (PH,EC,CO3,HCO3,Cl,SO4,NO3,TH,Ca,Mg,Na,K,F,Fe,TDS) for samples

Chemical Analysis & preperation and submission of Test Report for Heavy Metals (Arsenic & Uranium) for samples

Construction of cement concrete platform of dimension 0.70 X 0.70 X 0.60 m (0.30 m above ground level) using concrete mix of 1:2:4 around the around the Piezometer well welded with minimum 6 Nos of anchoring plate as per drawing

Supply and fitting of well cap as per drawing with Allen Keys. MS Plate size 5 mm embossed & welded with permanent marking of “ CGWB PZ” should be carved with welding on outer surface of casing pipe

Supply and installation of protection box made of 3 mm GI sheet of Size: 550mm X450mm X530mm along with Brass lock (7 lever hardened) and three keys for each lock as per drawing

Supply and installation of Display Board as per drawing

Preparation and submission of basic data report per site in triplicate along with data sheets, analysis sheet, chemical analysis report from NABL lab, site location map and approachability with landmarks, photographs and videos of all activities of drilling, assembly lowering, gravel measurement and gravel packing, well development using compressor and well water discharge, water sample collection, well discharge with discharge measurement, well site with display board, well cap, protection box for each site, etc.The soft copy as well as hard copy should be submitted. Summary of Piezometer details in xls format (as per proforma given by CGWB) including details of dia and depth of assembly pipe, screen pipe, static water level, gravel packing depth and thickness, Litholog etc. should be also submitted.

Description of Work / Item(s)

Amount

Supply, Installation, Commissioning of DWLRs and telemetry, establishment of Data Acquisition system & its maintenance for Real Time Ground Water Level monitoring and supply of Ground water level, ground water temperature from site and receipt of data at concerned Regional Office Data Centre (RODC) and subsequently to National Data Center of CGWB at Faridabad in a desired format from 1004 Piezometers wells) in the states of Delhi, Punjab, Haryana, Uttarakhand, Himachal Pradesh through telemetry systems with 05 years warranty and 02 years AMC. ( RODC at CGWB, NWR, Chandigarh)

Without Quality Probe: Supply, Installation, testing, commissioning, training for Digital Water Level Recorders (DWLRs) with non-vented hydrostatic pressure type sensorand barometric pressure correction and, with temeprature sensor for individual station with desired measurement range and standard sensor cable along with junction boxes and 5 meter signal cable, to be installed at depth as per list and necessary accessories with battery operated data logger and telemetry System based on GSM & GPRS as per the technical specifications (As the tender document) to be installed at designated locations as per list in tender document. This includes 05 years comprehensive warranty andO&M which also includes replacement of batteries as & when required, replacement of spares/parts/equipments/consumables, periodic inspections, repairing/service charges, the cost of Communication using GSM & GPRS SIM and other related charges. Minimum One Service Engineer shall be placed at concerned RODC for Operation of DWLR system with Telemetry. This is a Continuous activity for five years after successful commissioning and final acceptance certificate of DWLR. This also includeTraining of the purchaser's personnel by the supplier on assembly, startup, operation, maintenance and/or repair of DWLR with telemetry and relevant software and supplied goods.Two types of trainings are to be organised. (i) Onsite training to be organised in each State where DWLRs are to be installed. One onsite trainings for each State (ii) Training at concerned Regional Office Data Center( RODC) of CGWB. Two trainings at concerned RODC. Course topics will include sensor calibration, data logger configuration, data downloading, data retrieval, collection, Trouble shooting, processing maintenance requirements and procedure for equipment configuration, installation, site testing and commissioning including training kit containing course material in soft and hard copies as per technical specification. Note: For Validation of data, Physical measurement shall be cross checked with the data generated from DWLR.

Server of reputed brand with accessaries, work station and 3 KVA online UPS as per tender document. ( One set up to be created at the concerned RODC and one at NDC Faridabad)

IT hardware which includes required static, IP, router, switch, firewall system & A3 size color printer.

42" LED Display system as per technical specifications.

High Speed Interned Connection (minimum 8 mbps upload and 8 mbps download) for five years.

GSM &GPRS data receiving system with all ancillary equipment as per technical specifications.

Installation, Testing and Commissioning of Server along with monitor, Computer node (Workstation) and 3 KVA online UPS as per technical specifications .

Installation, testing & commissioning of IT hardware which includes required static IP, router, switch, firewall system & A3 Size Color Printer.

Installation, testing & commissioning of 42" LED Display system as per technical specifications.

Installation, testing & commissioning & charges of High Speed Internet Connection (minimum 8 mpbs upload and 8 mbps download) for 5 years.

Installation, testing & commissioning GSM & GPRS data receiving system with all ancillary equipment as per technical specifications.

Comprehensive AMC for DWLR with telemetry System along with all accessories, installed at designated locations and Data Centerequipments as specified in schedule of requirement after 5 years warranty period. This includes the replacement of batteries as and when required, replacement of spares/parts/equipments/consumables, periodic inspections, repairing/service charges, the cost of communication using GSM & GPRS, SIM and High Speed Internet charges and other related charges. Note: Continuous activity for Two year after five years comprehensiveO&M and warranty period.

Description of Work / Item(s)

Amount

Drilling of pilot hole for PZ not larger than 216mm (8 1⁄2 “ by rock drill bit/ Button Bit including sample collection and preparation of litholog

Electrical Logging using 406mm and 1626mm (16'' and 64''), SP registivity probe and Natural Gamma logging, preparation of litholog, submission of report including zone wise water quality along with logging graphs, composite log etc.

Enlargement of hole by reaming in PZ to accommodate well assembly of recommended size and gravel envelope of minimum 100 mm thickness as given below

Using 250 mm (10') RR Bit for 100 mm(4”) assembly pipe (for 100m depth Pzs)

Supply and Installation of ERW casing pipe conforming to Table 3 of latest version of IS: 4270-2001 of diameter and thickness given below

100mm (4”) Nominal Bore thickness 5.4mm

Supply and installation of MS screen conforming to latest version of IS: 8110-2000 of dimension given below

100mm (4”) Normal Size thickness 7mm with slot opening size 1.5 mm

Supply and shrouding 01 pea gravel confirming to Latest version of IS: 4097-1967

Particle size range 2.00 mm to 4.5 mm for 1.0 mm and 0.75 mm slot opening

Chemical analysis of water samples for 15 parameters pH, EC, TH, TDS, Ca, Mg, Na, K, CO3, HCO3, SO4, NO3, Cl, F & Fe in NABL accredited labs and submission of reports

chemical analysis of water samples for Heavy metals _Arsenic & Uranium in NABL accredited labs and submission of reports

Deployments by Air Compressor of adequate capacity for minimum 5 hours till discharge water is clear and free of sand including collection of water samples from PZ. Collection of Water samples asper prescribed format mentioned below.

Construction of Cement concrete platform 0.7*0.7*0.6 m (0.3 m above ground level) using concrete mix of 1:2:4 around the pipe welded minimum 6 ns of anchoring plate asper drawing

Supply and installation of display board asper drawing

Supply and installation of protection box along with brass lock (7 lever hardened) and three keys for each lock asper drawing

Preparation and submission of basic data report per site in triplicate along with logging graphs, data sheets, analysis sheet,logging graphs , chemical analysis report from NABL lab, site location map and approachability with land marks, photographs and videos of activities of drilling, assembly lowering, gravel measurement and gravel packing, well development using compressor and well water discharge, water sample collection during compressor development, well discharge with discharge measurement via V-Notch, well site with display board well cap, protection box activity for each Pz site, etc.The soft copy should be submitted.Summary of wells details in xls format (as per proforma given by CGWB) including details of dia and depth housing pipe, assembly pipe, screen pipe, static water level, TDS, aquifer parameters, safe discharge,gravel packing depth and thickness, Litholog etc should be also submitted.

Description of Work / Item(s)

Amount

Drilling of pilot hole using bentonite fluid for PZ not larger than 216 mm (8 ½”) by rock roller/ drag bit including formation sample collection at every 3m and change in formation , preparation and submission of litholog along with video recordings

Electrical logging using 406 mm and 1626 mm (16" and 64") SP resistivity probe, Natural Gamma Logging to target depth of 100 m, submission of report including zone-wise water quality, logging graph, interpretation of graph, generation of composite log along with video recording

Enlargement of hole by reaming in Piezometer to accommodate well assembly of recommended size and gravel envelop of minimum 100 mm thickness as given below

Using 311.15 mm ( 12-1/4”) RR Bit for 100 mm (4”) assembly pipe

Supply and installation of ERW casing pipe conforming to latest version of IS: 4270-2001 of diameter and thickness given below

100 mm (4") Nominal Bore Thickness 5.4mm

" Supply and intallation of Stainless Steel 4"(100 mm) dia. x 0.75 mm slot size regular Grade ERW Stainless Steel Cage Type V-wire wound screen as per IS :8110-95 and material specifications as per AISI type 304, Grade SS -304 suitable for water well construction

Slot opening 0.75 mm

Supply and shrouding of pea gravel confirming to latest version of IS: 4097-1967

Particle size range 3.00 mm to 5.00 mm for 0.75 mm slot opening

Supply and filling up borehole/ annular space between casing pipe and bore hole wall with local clay, if required

Development by Air Compressor of adequate capacity for minimum 5 hours, over pumping and by other means till discharge water is clear and free of sand including collection of two water samples from PZ well adopting standard procedure in 1 litre HDPE bottle, along with video recordings of compressor hour meter, discharge etc.

Chemical analysis of water samples for 15 parameters pH, EC, TH, TDS, Ca, Mg, Na, K, CO3, HCO3, SO4, NO3, Cl, F & Fe in NABL accredited labs

Chemical analysis of water samples for Heavy metals (As, Pb, Zn, Mn, Ni, Cu, Cr, Se, U) in NABL accredited labs and submission of report from NABL accredited lab

Construction of cement concrete platform of dimension 0.70 X 0.70 X 0.60 m (0.30 m above ground level) using concrete mix of 1:2:4 around the around the Piezometer well welded with minimum 6 Nos of anchoring plate as per drawing

Supply and installation of protection box made of 3 mm GI sheet of Size: 550mm X450mm X530mm along with Brass lock (7 lever hardened) and three keys for each lock as per drawing

Supply and installation of Display Board as per drawing

Preparation and submission of basic data report per site in triplicate along with data sheets, analysis sheet, chemical analysis report from NABL lab, site location map and approachability with landmarks, photographs and videos of activities of drilling, assembly lowering, gravel measurement and gravel packing, well development using compressor and well water discharge, water sample collection, well discharge with discharge measurement, well site with display board, well cap, protection box for each site, etc.The soft copy as well as hard copy should be submitted. Summary of Piezometer details in xls format (as per proforma given by CGWB) including details of dia and depth of assembly pipe, screen pipe, static water level, gravel packing depth and thickness, Litholog etc. should be also submitted.

Description of Work / Item(s)

Amount

Drilling of pilot hole using bentonite fluid for PZ not larger than 216 mm (8 ½”) by rock roller/ drag bit including formation sample collection at every 3m and change in formation , preparation and submission of litholog along with video recordings

Electrical logging using 406 mm and 1626 mm (16" and 64") SP resistivity probe, Natural Gamma Logging to target depth of 100 m, submission of report including zone-wise water quality, logging graph, interpretation of graph, generation of composite log along with video recording

Enlargement of hole by reaming in Piezometer to accommodate well assembly of recommended size and gravel envelop of minimum 100 mm thickness as given below

Using 311.15 mm ( 12-1/4”) RR Bit for 100 mm (4”) assembly pipe

Supply and installation of ERW casing pipe conforming to latest version of IS: 4270-2001 of diameter and thickness given below

100 mm (4") Nominal Bore Thickness 5.4mm

" Supply and intallation of Stainless Steel 4"(100 mm) dia. x 0.75 mm slot size regular Grade ERW Stainless Steel Cage Type V-wire wound screen as per IS :8110-95 and material specifications as per AISI type 304, Grade SS -304 suitable for water well construction

Slot opening 0.75 mm

Supply and shrouding of pea gravel confirming to latest version of IS: 4097-1967

Particle size range 3.00 mm to 5.00 mm for 0.75 mm slot opening

Supply and filling up borehole/ annular space between casing pipe and bore hole wall with local clay, if required

Development by Air Compressor of adequate capacity for minimum 5 hours, over pumping and by other means till discharge water is clear and free of sand including collection of two water samples from PZ well adopting standard procedure in 1 litre HDPE bottle, along with video recordings of compressor hour meter, discharge etc.

Chemical analysis of water samples for 15 parameters pH, EC, TH, TDS, Ca, Mg, Na, K, CO3, HCO3, SO4, NO3, Cl, F & Fe in NABL accredited labs

Chemical analysis of water samples for Heavy metals (As, Pb, Zn, Mn, Ni, Cu, Cr, Se, U) in NABL accredited labs and submission of report from NABL accredited lab

Construction of cement concrete platform of dimension 0.70 X 0.70 X 0.60 m (0.30 m above ground level) using concrete mix of 1:2:4 around the around the Piezometer well welded with minimum 6 Nos of anchoring plate as per drawing

Supply and installation of protection box made of 3 mm GI sheet of Size: 550mm X450mm X530mm along with Brass lock (7 lever hardened) and three keys for each lock as per drawing

Supply and installation of Display Board as per drawing

Preparation and submission of basic data report per site in triplicate along with data sheets, analysis sheet, chemical analysis report from NABL lab, site location map and approachability with landmarks, photographs and videos of activities of drilling, assembly lowering, gravel measurement and gravel packing, well development using compressor and well water discharge, water sample collection, well discharge with discharge measurement, well site with display board, well cap, protection box for each site, etc.The soft copy as well as hard copy should be submitted. Summary of Piezometer details in xls format (as per proforma given by CGWB) including details of dia and depth of assembly pipe, screen pipe, static water level, gravel packing depth and thickness, Litholog etc. should be also submitted.

Description of Work / Item(s)

Amount

Drilling of pilot hole for EW not larger than 216 mm (8 ½”) by suitable bit including sample collection at 3 m interval and at change in formation, preparation and submission of litholog along with video recordings

Electrical logging using 406 mm and 1626 mm (16" and 64") SP resistivity probe, Natural Gamma Logging to target depth of well construction, submission of report including zone-wise water quality, logging graph, interpretation of graph, generation of composite log along with video recording

Enlargement of hole by reaming in Piezometer to accommodate well assembly of recommended size and gravel envelop of minimum 100 mm thickness as given below

Using 317.5 mm (12-1/2”) suitable Bit for 150 mm(6”) assembly pipe

Supply and installation of ERW casing pipe conforming to latest version of IS: 4270-2001 of diameter and thickness given below

150 mm (6”) Nominal Bore, thickness 5.4 mm

Supply and intallation of Slotted confirming to to sizes as per table 1 with slotting arrangement shown in figure 2 of latest version of IS : 8110-20006"(152 mm) dia. x 1.50 mm slot size regular for water well construction

150 mm nominal size Slot opening 1.00/1.58 mm

Supply and shrouding of pea gravel confirming to latest version of IS: 4097-1967

Particle size range 2.00 mm to 3.35 mm for 1.0 mm and 1.58 mm slot opening

Supply and filling up borehole/ annular space between casing pipe and bore hole wall with local clay, if required

Development by Air Compressor of adequate capacity for minimum 5 hours, over pumping and by other means till discharge water is clear and free of sand including collection of two water samples from PZ well adopting standard procedure in 1 litre HDPE bottle, along with video recordings of compressor hour meter, discharge etc.

Chemical analysis of water samples for 15 parameters pH, EC, TH, TDS, Ca, Mg, Na, K, CO3, HCO3, SO4, NO3, Cl, F & Fe in NABL accredited labs

Chemical analysis of water samples for Heavy metals (As, Pb, Zn, Mn, Ni, Cu, Cr, Se, U) in NABL accredited labs and submission of report from NABL accredited lab

Construction of cement concrete platform of dimension 0.70 X 0.70 X 0.60 m (0.30 m above ground level) using concrete mix of 1:2:4 around the around the Piezometer well welded with minimum 6 Nos of anchoring plate as per drawing

Supply and fitting of well cap as per drawing with Allen Keys. MS Plate size 5 mm embossed & welded with permanent marking of “ CGWB PZ” should be carved with welding on outer surface of casing pipe

Supply and installation of protection box made of 3 mm GI sheet of Size: 550mm X450mm X530mm along with Brass lock (7 lever hardened) and three keys for each lock as per drawing

Supply and installation of Display Board as per drawing

Preparation and submission of basic data report per site in triplicate along with data sheets, analysis sheet, chemical analysis report from NABL lab, site location map and approachability with landmarks, photographs and videos of activities of drilling, assembly lowering, gravel measurement and gravel packing, well development using compressor and well water discharge, water sample collection, well discharge with discharge measurement, well site with display board, well cap, protection box for each site, etc.The soft copy as well as hard copy should be submitted. Summary of Piezometer details in xls format (as per proforma given by CGWB) including details of dia and depth of assembly pipe, screen pipe, static water level, gravel packing depth and thickness, Litholog etc. should be also submitted.

Description of Work / Item(s)

Amount

Drilling of pilot hole for EW not larger than 216 mm (8 ½”) by suitable bit including sample collection at 3 m interval and at change in formation, preparation and submission of litholog along with video recordings

Electrical logging using 406 mm and 1626 mm (16" and 64") SP resistivity probe, Natural Gamma Logging to target depth of100 m, submission of report including zone-wise water quality, logging graph, interpretation of graph, generation of composite log along with video recording

Enlargement of hole by reaming in Piezometer to accommodate well assembly of recommended size and gravel envelop of minimum 100 mm thickness as given below

Using 317.5 mm (12-1/2”) suitable Bit for 150 mm(6”) assembly pipe

Supply and installation of ERW casing pipe conforming to latest version of IS: 4270-2001 of diameter and thickness given below

150 mm (6”) Nominal Bore, thickness 5.4 mm

Supply and intallation of Slotted confirming to to sizes as per table 1 with slotting arrangement shown in figure 2 of latest version of IS : 8110-20006"(152 mm) dia. x 1.50 mm slot size regular for water well construction

150 mm nominal size Slot opening 1.00/1.58 mm

Supply and shrouding of pea gravel confirming to latest version of IS: 4097-1967

Particle size range 2.00 mm to 3.35 mm for 1.0 mm and 1.58 mm slot opening

Supply and filling up borehole/ annular space between casing pipe and bore hole wall with local clay, if required

Development by Air Compressor of adequate capacity for minimum 5 hours, over pumping and by other means till discharge water is clear and free of sand including collection of two water samples from PZ well adopting standard procedure in 1 litre HDPE bottle, along with video recordings of compressor hour meter, discharge etc.

Chemical analysis of water samples for 15 parameters pH, EC, TH, TDS, Ca, Mg, Na, K, CO3, HCO3, SO4, NO3, Cl, F & Fe in NABL accredited labs

Chemical analysis of water samples for Heavy metals (As, Pb, Zn, Mn, Ni, Cu, Cr, Se, U) in NABL accredited labs and submission of report from NABL accredited lab

Construction of cement concrete platform of dimension 0.70 X 0.70 X 0.60 m (0.30 m above ground level) using concrete mix of 1:2:4 around the around the Piezometer well welded with minimum 6 Nos of anchoring plate as per drawing

Supply and fitting of well cap as per drawing with Allen Keys. MS Plate size 5 mm embossed & welded with permanent marking of “ CGWB PZ” should be carved with welding on outer surface of casing pipe

Supply and installation of protection box made of 3 mm GI sheet of Size: 550mm X450mm X530mm along with Brass lock (7 lever hardened) and three keys for each lock as per drawing

Supply and installation of Display Board as per drawing

Preparation and submission of basic data report per site in triplicate along with data sheets, analysis sheet, chemical analysis report from NABL lab, site location map and approachability with landmarks, photographs and videos of activities of drilling, assembly lowering, gravel measurement and gravel packing, well development using compressor and well water discharge, water sample collection, well discharge with discharge measurement, well site with display board, well cap, protection box for each site, etc.The soft copy as well as hard copy should be submitted. Summary of Piezometer details in xls format (as per proforma given by CGWB) including details of dia and depth of assembly pipe, screen pipe, static water level, gravel packing depth and thickness, Litholog etc. should be also submitted.

Description of Work / Item(s)

Amount

Drilling of pilot hole for EW not larger than 216 mm (8 ½”) by suitable bit including sample collection at 3 m interval and at change in formation, preparation and submission of litholog along with video recordings

Electrical logging using 406 mm and 1626 mm (16" and 64") SP resistivity probe, Natural Gamma Logging to target depth of 200 m, submission of report including zone-wise water quality, logging graph, interpretation of graph, generation of composite log along with video recording

Enlargement of hole by reaming in Piezometer to accommodate well assembly of recommended size and gravel envelop of minimum 100 mm thickness as given below

Using 317.5 mm (12-1/2”) RR Bit for 150 mm(6”) assembly pipe

Supply and installation of ERW casing pipe conforming to latest version of IS: 4270-2001 of diameter and thickness given below

150 mm (6”) Nominal Bore, thickness 5.4 mm

Supply and intallation of Slotted confirming to to sizes as per table 1 with slotting arrangement shown in figure 2 of latest version of IS : 8110-20006"(152 mm) dia. x 1.50 mm slot size regular for water well construction

150 mm nominal size Slot opening 1.5 mm

Supply and shrouding of pea gravel confirming to latest version of IS: 4097-1967

Particle size range 2.00 mm to 3.35 mm for 1.5 mm slot opening

Supply and filling up borehole/ annular space between casing pipe and bore hole wall with local clay, if required

Development by Air Compressor of adequate capacity for minimum 5 hours, over pumping and by other means till discharge water is clear and free of sand including collection of two water samples from PZ well adopting standard procedure in 1 litre HDPE bottle, along with video recordings of compressor hour meter, discharge etc.

Chemical analysis of water samples for 15 parameters pH, EC, TH, TDS, Ca, Mg, Na, K, CO3, HCO3, SO4, NO3, Cl, F & Fe in NABL accredited labs

Chemical analysis of water samples for Heavy metals (As, Pb, Zn, Mn, Ni, Cu, Cr, Se, U) in NABL accredited labs and submission of report from NABL accredited lab

Construction of cement concrete platform of dimension 0.70 X 0.70 X 0.60 m (0.30 m above ground level) using concrete mix of 1:2:4 around the around the Piezometer well welded with minimum 6 Nos of anchoring plate as per drawing

Supply and fitting of well cap as per drawing with Allen Keys. MS Plate size 5 mm embossed & welded with permanent marking of “ CGWB PZ” should be carved with welding on outer surface of casing pipe

Supply and installation of protection box made of 3 mm GI sheet of Size: 550mm X450mm X530mm along with Brass lock (7 lever hardened) and three keys for each lock as per drawing

Supply and installation of Display Board as per drawing

Preparation and submission of basic data report per site in triplicate along with data sheets, analysis sheet, chemical analysis report from NABL lab, site location map and approachability with landmarks, photographs and videos of activities of drilling, assembly lowering, gravel measurement and gravel packing, well development using compressor and well water discharge, water sample collection, well discharge with discharge measurement, well site with display board, well cap, protection box for each site, etc.The soft copy as well as hard copy should be submitted. Summary of Piezometer details in xls format (as per proforma given by CGWB) including details of dia and depth of assembly pipe, screen pipe, static water level, gravel packing depth and thickness, Litholog etc. should be also submitted.

Description of Work / Item(s)

Amount

Drilling of pilot hole for EW not larger than 216 mm (8 ½”) by suitable bit including sample collection at 3 m interval and at change in formation, preparation and submission of litholog along with video recordings

Electrical logging using 406 mm and 1626 mm (16" and 64") SP resistivity probe, Natural Gamma Logging to target depth of 300 m, submission of report including zone-wise water quality, logging graph, interpretation of graph, generation of composite log along with video recording

Enlargement of hole by reaming in Piezometer to accommodate well assembly of recommended size and gravel envelop of minimum 100 mm thickness as given below

Using 317.5 mm (12-1/2”) RR Bit for 150 mm(6”) assembly pipe

Supply and installation of ERW casing pipe conforming to latest version of IS: 4270-2001 of diameter and thickness given below

150 mm (6”) Nominal Bore, thickness 5.4 mm

Supply and intallation of Slotted confirming to to sizes as per table 1 with slotting arrangement shown in figure 2 of latest version of IS : 8110-20006"(152 mm) dia. x 1.50 mm slot size regular for water well construction

150 mm nominal size Slot opening 1.00 mm

Supply and shrouding of pea gravel confirming to latest version of IS: 4097-1967

Particle size range 2.00 mm to 3.35 mm for 1.0 mm slot opening

Supply and filling up borehole/ annular space between casing pipe and bore hole wall with local clay, if required

Development by Air Compressor of adequate capacity for minimum 5 hours, over pumping and by other means till discharge water is clear and free of sand including collection of two water samples from PZ well adopting standard procedure in 1 litre HDPE bottle, along with video recordings of compressor hour meter, discharge etc.

Chemical analysis of water samples for 15 parameters pH, EC, TH, TDS, Ca, Mg, Na, K, CO3, HCO3, SO4, NO3, Cl, F & Fe in NABL accredited labs

Chemical analysis of water samples for Heavy metals (As, Pb, Zn, Mn, Ni, Cu, Cr, Se, U) in NABL accredited labs and submission of report from NABL accredited lab

Construction of cement concrete platform of dimension 0.70 X 0.70 X 0.60 m (0.30 m above ground level) using concrete mix of 1:2:4 around the around the Piezometer well welded with minimum 6 Nos of anchoring plate as per drawing

Supply and fitting of well cap as per drawing with Allen Keys. MS Plate size 5 mm embossed & welded with permanent marking of “ CGWB PZ” should be carved with welding on outer surface of casing pipe

Supply and installation of protection box made of 3 mm GI sheet of Size: 550mm X450mm X530mm along with Brass lock (7 lever hardened) and three keys for each lock as per drawing

Supply and installation of Display Board as per drawing

Preparation and submission of basic data report per site in triplicate along with data sheets, analysis sheet, chemical analysis report from NABL lab, site location map and approachability with landmarks, photographs and videos of activities of drilling, assembly lowering, gravel measurement and gravel packing, well development using compressor and well water discharge, water sample collection, well discharge with discharge measurement, well site with display board, well cap, protection box for each site, etc.The soft copy as well as hard copy should be submitted. Summary of Piezometer details in xls format (as per proforma given by CGWB) including details of dia and depth of assembly pipe, screen pipe, static water level, gravel packing depth and thickness, Litholog etc. should be also submitted.

Description of Work / Item(s)

Amount

Drilling of pilot hole for EW not larger than 216 mm (8 ½”) by suitable bit including sample collection at 3 m interval and at change in formation, preparation and submission of litholog along with video recordings

Caliper logging to decipher the depth and width of fracture zones, submission of report including logging graph, interpretation of graph, generation of composite log along with video recording

Supply and installation of ERW casing pipe conforming to latest version of IS: 4270-2001 of diameter and thickness given below

150 mm (6”) Nominal Bore, thickness 5.4 mm

Supply and intallation of Slotted confirming to to sizes as per table 1 with slotting arrangement shown in figure 2 of latest version of IS : 8110-20006"(152 mm) dia. x 1.50 mm slot size regular for water well construction

150 mm nominal size Slot opening 1.00 mm

Supply and filling up borehole/ annular space between casing pipe and bore hole wall with local clay, if required

Development by Air Compressor of adequate capacity for minimum 5 hours, over pumping and by other means till discharge water is clear and free of sand including collection of two water samples from PZ well adopting standard procedure in 1 litre HDPE bottle, along with video recordings of compressor hour meter, discharge etc.

Chemical analysis of water samples for 15 parameters pH, EC, TH, TDS, Ca, Mg, Na, K, CO3, HCO3, SO4, NO3, Cl, F & Fe in NABL accredited labs

Chemical analysis of water samples for Heavy metals (As, Pb, Zn, Mn, Ni, Cu, Cr, Se, U) in NABL accredited labs and submission of report from NABL accredited lab

Construction of cement concrete platform of dimension 0.70 X 0.70 X 0.60 m (0.30 m above ground level) using concrete mix of 1:2:4 around the around the Piezometer well welded with minimum 6 Nos of anchoring plate as per drawing

Supply and fitting of well cap as per drawing with Allen Keys. MS Plate size 5 mm embossed & welded with permanent marking of “ CGWB PZ” should be carved with welding on outer surface of casing pipe

Supply and installation of protection box made of 3 mm GI sheet of Size: 550mm X450mm X530mm along with Brass lock (7 lever hardened) and three keys for each lock as per drawing

Supply and installation of Display Board as per drawing

Preparation and submission of basic data report per site in triplicate along with data sheets, analysis sheet, chemical analysis report from NABL lab, site location map and approachability with landmarks, photographs and videos of activities of drilling, assembly lowering, gravel measurement and gravel packing, well development using compressor and well water discharge, water sample collection, well discharge with discharge measurement, well site with display board, well cap, protection box for each site, etc.The soft copy as well as hard copy should be submitted. Summary of Piezometer details in xls format (as per proforma given by CGWB) including details of dia and depth of assembly pipe, screen pipe, static water level, gravel packing depth and thickness, Litholog etc. should be also submitted.