construction of 223 nos. of Exploratory and 82 nos. of Observation wells in Rajasthan and Gujarat

Amount

Drilling of pilot hole for EW not larger than 216 mm (8 ½”) by rock roller/ drag bit including sample collection and preparation of litholog

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 asnd geophyscial data ( As per the recommendation of the Site Geologist of CGWB, WR, Jaipur)

Electrical logging using 406 mm and 1626 mm (16" and 64") SP resistivity probe / Natural Gamma Logging

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

Using 444.5 mm (17-1/2”) RR Bit for 200 mm (8”) assembly pipe

Using 381 mm ( 15”) RR Bit for 150 mm (6”) assembly pipe

Drilling of Hole for OW by rock roller/ drag bit of size given below to accommodate well assembly of recommended size and gravel envelop of minimum 100 mm thickness,including sample collection and preparation of litholog

Using 381 mm ( 15”) RR Bit for 150 mm (6”) 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

200 mm (8”) Nominal Bore, thickness 7.1 mm

150 mm (6”) Nominal Bo,re thickness 5.4mm

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

150 mm (6”) Nominal Size thickness 7mm with slot opening size given below

Slot opening 0.75 mm

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

Particle size range 2.00 mm to4.5 mm for 1.0 mm and 0.75 mm slot opening

Sealing of negative Zone inside the borewell with local clay and with 3 meter thickenss cement seal on top.(As per the recommendation of the Site Geologist of CGWB, WR, Jaipur)

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

Developement by Air Compressor of adequate capacity for minimum 10 hours, over pumping and by other means till discharge water is clear and free of sand including collection of water samples from OW.

Preliminary Yield Test(PYT) for 100 minutes with 90% recovery to static water level , submission of data, analysis report

Slug test, analysis and submission of report with data

Pumping Test ( As per the recommendation of the Site Geologist of CGWB, WR, Jaipur)

Prepumping for 8 hours and recuperation for 24 hours, Step Drawn Test - 3 Steps with 60 minute interval & Aquifer Performance Test for 1000 minutes pumping and full recovery adapting standard procedures.

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

Collection of Water Samples from Wells in 1 Litre Bottle(New Good Quality Poly ethylene bottle with screw cap and inner lid (Uncolored))

Chemical Analysis & preparation and submission of Test Report for Basic Parameters: (PH,EC,CO3,HCO3,Cl,SO4,NO3,PO4,TH,Ca,Mg,Na,K,F,Fe,TDS) for samples

Chemical Analysis & preperation and submission of Test Report for Heavy Metals ( Cu,Zn,Ni,Fe,Mu,Cd,Pb,Co,As) for samples

Construction of 0.8m × 0.8m × 0.5 m (L × B × H) cement concrete platform (Cement concrete Mix of 1:2:4) around the well as per Specification/ Drawing

Supply and fitting of MS Well cap with the provision for water level measurement as per drawing for water level measurement . A MS Plate size 5 to 10mm embossed & welded with permanent marking of “ CGWB EW” for Exploratory Wells & "CGWB OW" for Observation wells should carved with welding on outer surface of casing pipe 0.5mtrs above ground level

Supply & installation of Protection Box with seven lever brass lock & Display Board as per Specification/Drawing as provided along with tender document

Verticality Test

Preparation and submission of Basic Data report along with pumping test data, logging data and logging graphs,chemical analysis report of water sample from NABL lab, etc as per the prescribed format with coloured log charts and photographs \videos of all the activites(drilling, case lowering, pumping tests, well fitted with well cap, protection box, display board etc).

Description of Work / Item(s)

Amount

Overburden drilling by Button Bit to accommodate casing pipe of size 305 mm(12”) ID including site preparation, collection of litho samples at interval of 3.00 mtrs and preparation and submission of litholog, etc.

Supply and installation of ERW casing pipe of thickness as specified below conforming to IS-4270 :2001 or latest, for arresting the overburden , including filling of annular space between casing and overburden with cuttings, local clay etc.

(a) 305 mm(12”) with thickness 8.1 mm ( in case of lowering of casing)

Drilling by DTH method using appropriate sizes of button bits not less than 279 mm ( 11. ") so as to reach targeted depth with final hole diameter not less than 203.4 mm(8 ”) including formation sample collection at every 3m interval including preparation and submission of litholog .In case of wells where caving formation encountered in between, drilling using 279 mm(11”) should be carried out upto bottom level of caving formation to accomodate part assembly,

Supply and installation of ERW casing pipe of thickness as specified below conforming to IS-4270 :2001 or latest as Part Assembly using reverse thread socket through drill string in respect of wells encountered with caving formation embedded between hard rock as a part assembly

(i)Using 177.8 mm (7") pipe with 5.4 mm thickness of part assembly

(ii) Drilling by DTH Method beneath part assembly using appropriate sizes of bits so as to reach targeted depth with diameter of the hole at the bottom not less than 165 mm (6 1/2") including collection of formation sample at every 3m interval and preparation of litholog

Sealing of negative Zone inside the borewell with local clay and with 3 meter thickenss cement seal on top.(As per the recommendation of the Site Geologist of CGWB, WR, Jaipur)

Verticality test

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 asnd geophyscial data ( As per the recommendation of the Site Geologist of CGWB, WR, Jaipur)

Electrical Logging / Caliper Logging

Preliminary Yield Test(PYT) for 100 minutes with 90% recovery to static water level , submission of data, analysis report

Slug test, analysis and submission of report with data

Pumping Test ( As per the recommendation of the Site Geologist of CGWB, WR, Jaipur)

Prepumping for 8 hours and recuperation for 24 hours, Step Drawn Test - 3 Steps with 60 minute interval & Aquifer Performance Test for 500 minutes pumping and full recovery adapting standard procedures.

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

Collection of Water Samples from Wells in 1 Litre Bottle(New Good Quality Poly ethylene bottle with screw cap and inner lid (Uncolored))

Chemical Analysis & preperation and submission of Test Report for Basic Parameters: (PH,EC,CO3,HCO3,Cl,SO4,NO3,PO4,TH,Ca,Mg,Na,K,F,Fe,TDS) for samples

Chemical Analysis & preperation and submission of Test Report for Heavy Metals ( Cu,Zn,Ni,Fe,Mu,Cd,Pb,Co,As) for samples

Construction of 0.8m × 0.8m × 0.5 m (L × B × H) cement concrete platform (Cement concrete Mix of 1:2:4) around the well as per Specification/ Drawing

Supply and fitting of MS Well cap with the provision for water level measurement as per drawing for water level measurement . A MS Plate size 5 to 10mm embossed & welded with permanent marking of “ CGWB EW” for Exploratory Wells & "CGWB OW" for Observation wells should carved with welding on outer surface of casing pipe 0.5mtrs above ground level

Supply & installation of Protection Box with seven lever brass lock & Display Board as per Specification/Drawing as provided along with tender document

Preparation and submission of Basic Data report along with pumping test data, logging data and logging graphs,chemical analysis report of water sample from NABL lab, etc as per the prescribed format with coloured log charts and photographs \videos of all the activites(drilling, case lowering, pumping tests, well fitted with well cap, protection box, display board etc).

Description of Work / Item(s)

Amount

Overburden drilling by RR Bit to accommodate casing pipe of size 305 mm(12”) ID including site preparation, collection of litho samples at interval of 3.00 mtrs and preperation and submission of litholog, etc.

Supply and installation of ERW casing pipe of thickness as specified below conforming to IS-4270 :2001 or latest, for arresting the overburden , including filling of annular space between casing and overburden with cuttings, local clay etc.

(a) 305 mm(12”) with thickness 8.1 mm ( in case of lowering of casing)

Drilling by DTH method using appropriate sizes of button bits not less than 279 mm ( 11. ") so as to reach targeted depth with final hole diameter not less than 203.4 mm(8 ”) including formation sample collection at every 3m interval including preparation and submission of litholog .In case of wells where caving formation encountered in between, drilling using 279 mm(11”) should be carried out upto bottom level of caving formation to accomodate part assembly,

Supply and installation of ERW casing pipe of thickness as specified below conforming to IS-4270 :2001 or latest as Part Assembly using reverse thread socket through drill string in respect of wells encountered with caving formation embedded between hard rock as a part assembly

(i)Using 177.8 mm (7") pipe with 5.4 mm thickness of part assembly

(ii) Drilling by DTH Method beneath part assembly using appropriate sizes of bits so as to reach targeted depth with diameter of the hole at the bottom not less than 165 mm (6 1/2") including collection of formation sample at every 3m interval and preparation of litholog

Sealing of negative Zone inside the borewell with local clay and with 3 meter thickenss cement seal on top.(As per the recommendation of the Site Geologist of CGWB, WR, Jaipur)

Verticality test

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 asnd geophyscial data ( As per the recommendation of the Site Geologist of CGWB, WR, Jaipur)

Electrical Logging/Caliper Logging

Preliminary Yield Test(PYT) for 100 minutes with 90% recovery to static water level , submission of data, analysis report

Slug test, analysis and submission of report with data

Pumping Test ( As per the recommendation of the Site Geologist of CGWB, WR, Jaipur)

Prepumping for 8 hours and recuperation for 24 hours, Step Drawn Test - 3 Steps with 60 minute interval & Aquifer Performance Test for 500 minutes pumping and full recovery adapting standard procedures.

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

Collection of Water Samples from Wells in 1 Litre Bottle(New Good Quality Poly ethylene bottle with screw cap and inner lid (Uncolored))

Chemical Analysis & preperation and submission of Test Report for Basic Parameters: (PH,EC,CO3,HCO3,Cl,SO4,NO3,PO4,TH,Ca,Mg,Na,K,F,Fe,TDS) for samples

Chemical Analysis & preperation and submission of Test Report for Heavy Metals ( Cu,Zn,Ni,Fe,Mu,Cd,Pb,Co,As) for samples

Construction of 0.8m × 0.8m × 0.5 m (L × B × H) cement concrete platform (Cement concrete Mix of 1:2:4) around the well as per Specification/ Drawing

Supply and fitting of MS Well cap with the provision for water level measurement as per drawing for water level measurement . A MS Plate size 5 to 10mm embossed & welded with permanent marking of “ CGWB EW” for Exploratory Wells & "CGWB OW" for Observation wells should carved with welding on outer surface of casing pipe 0.5mtrs above ground level

Supply & installation of Protection Box with seven lever brass lock & Display Board as per Specification/Drawing as provided along with tender document

Preparation and submission of Basic Data report along with pumping test data, logging data and logging graphs,chemical analysis report of water sample from NABL lab, etc as per the prescribed format with coloured log charts and photographs \videos of all the activites(drilling, case lowering, pumping tests, well fitted with well cap, protection box, display board etc).

Description of Work / Item(s)

Amount

Drilling of overburden by button bit/drag/RR Bit to accomodate casing pipe with thickness 5.4 mm and size 200 mm (8') in EW and collection of lithological samples (drilling cuttings) and record keeping at every three meter and prepartion and submission of litholog with video recordings.

Drilling by button bit/RR Bit as appropriate depending upon type and depth of overburden to accomodate casing pipe with thickness 5.4 mm and size 175 mm (7") dia in OW and collection of lithological samples (drilling cuttings) and record keeping at every three meter and prepartion and submission of litholog with video recordings.

Supply and installation of ERW casing pipe conforming to table 3 of letest version of IS: 4270-2001.

200 mm (8”) Nominal Bore

175 mm (7”) Nominal Bore

EW drilling by DTH method using appropriate sizes of button bits so as to reach targetted depth with diameter of hole not less than 175 mm (7'') at 100 m depth and final diameter upto 200 mbgl or upto bottom of the hole not less than 165 mm (6 1/2'') including measurement of discharge through V-notch at various stages (depth) of drilling, formation sample collection at every 3 meter intervals , preparation and submission of litholog, discharge measurement etc. and video recodring of discharge, V-notch reading and litholog samples.

OW drilling by DTH method using appropriate sizes of button bits so as to reach targetted depth of final daimeter upto 200 mbgl or upto bottom of the hole not less than 165 mm (6 1/2'') including measurement of discharge through V-notch at various stages (depth) of drilling, collection of water ,formation sample collection at every 3 meter intervals , preparation and submission of litholog, discharge measurement etc. and video recodring of discharge, V-notch reading and litholog samples.

Electrical logging (64'' and 16'') and SP resistivity prove up to full depth and prepartion of composit log with final report including interpreted results, plots raw data and georefred locations of bore hole logging with map in mapinfo/shape format.

Natural gamma logging submission of logging graph, report along with video recordings

Caliper logging, submission of logging graph, report along with video recordings

Pumping Test incudes prepumping for 9 hours and recuperation for 24 hours, APT for 500 minutes (if sustainable discharge more than 3 lps) and 90% or full recovery and collection of 4 Nos water sample (2 Basic and 2 Heavy metal) adopting standard procedure for basic parameter and heavy metals in 1 litre good quality HDPE bottle along with video recordings.

Preliminary yield test (If discharge less than 3 lps and more than 1 lps) for 100 minutes duration by running air compressor with 90% recovery of drawdown or full recovery. Collection of 4 Nos water sample (2 Basic and 2 Heavy metal). Water samples adopting standard procedure for basic parameter and heavy metals in 1 litre good quality HDPE bottle and submission of analysis report with data along with video recordings.

Slug test (If discharge less than 1 lps) and submission of analyis report with data along with video recordings.

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 report from NABL lab

Chemical analysis of water samples for Heavy metals Fe,Mn, Cu, Pb, Cd, Zn, Cr, Co, Ni, As and U in NABL accredited labs and submission of report from NABL 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 housing pipe welded withminimum 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 EW” for Exploratory Wells & "CGWB OW" for Observation wells should carved with welding on outer surface of casing pipe 0.5mtrs

Supply and installation of protection box made of GI sheet of 3.15mm thickness along with Brass lock (7 lever hardened) and three keys for each lock as per drawing

Supply and installation of Display board as per specification in drawing.

Preparation and submission of basic data report per site (includes EW and OW) in triplicate along with logging graphs, data sheets, analysis sheet,logging graphs ,chemical analysis report from NABL lab, photographs/ video of activity drilling , assembly lowering, part assmbly lowering, pump lowering, pumping tests, discharge during pumping test, V- notch discharge at various depth of drilling, pumping test with well discharge, compressor development, water sample collection, well site with display board well cap, protection box etc.. The soft copy should be submitted. Summary of well details in xls format inclding details of dia and depth of housing pipe, static water level, TDS, aquifer parameter, safe discgarge if any should be submitted. It should include composite well daigram showing drill time log, lithological log, discharge, well assemblly, fractures along with discharged encounterd in total drilling depth.

South West Pinnacle Exploration Limited

South West Pinnacle Exploration Limited

South West Pinnacle Exploration Limited

South West Pinnacle Exploration Limited