Bid Package - Section G - Contract Drawings_Prado Regional Park Drilling New Irrigation Well~1.pdf
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- Solicitation number
- SPD127-SPDAD-6517
- Issued by
- San Bernardino County, California
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Summary: Bid Package - Section G - Contract Drawings for Prado Regional Park Drilling New Irrigation Well
This document constitutes Section G (Contract Drawings) of the bid package for the Prado Regional Park Drilling Irrigation Well Project in California. The project involves the drilling and installation of a new irrigation well at Prado Regional Park to support the park's irrigation infrastructure and water supply needs. The contract drawings section provides detailed technical specifications, site plans, and engineering designs necessary for contractors to understand the scope of work, well drilling requirements, and construction specifications. These drawings serve as the contractual basis for bid preparation and subsequent project execution, ensuring all bidders have access to identical technical information and design standards for accurate cost estimation and project delivery.
The contract drawings define the technical requirements, including well depth specifications, casing requirements, pump installation details, and connection points to the existing irrigation system. All bidders must utilize these standardized drawings for their proposals to ensure consistency and comparability of bids. The drawings function as binding contract documents upon award, establishing the baseline expectations for construction quality, materials, and installation methodology. Contractors are required to comply with all dimensions, details, and specifications depicted in the drawings, and any deviations must be submitted as formal change orders with appropriate justification and cost adjustments.
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SECTION G
CONTRACT DRAWINGS
Prado Regional Park Drilling New Irrigation Well
FOR
16700 Euclid Ave, Chino, Ca,91708
PROJECT NO.: 30.30.0200
APPENDIX A
Prado Regional Park Well Drilling Bid Package
• Figure 1 – Well Location Map
• Figure 2 – Preliminary Design, Prado Regional Park Well
• Table 1 – Preliminary Well Design Summary
• Example Camera Tube Connection Box
• Example Geologic Logs Showing Expected Geology k8593 Text Box
SECTION G - FIGURES & EXHIBITS
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EXISTING
AGRICULTURAL
WELL
PARK ROAD EAST
ACCESS ROAD
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NEW PROPOSED PRADO REGIONAL PARK WELL
PRADO LAKE
OVERFLOW
PARKING
PARK ENTRANCE STATION
PARK
OFFICE
PARK ROAD WEST
PARKING LOT 7
PARKING LOT 8
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200-01299-26002SAN BERNARDINO COUNTY
PRADO LAKE PRELIMINARY WELL DESIGN JANUARY 2026
RL
160 East Via Verde, Suite 240 San Dimas, California, 91773
Phone: (909) 305-2930
SCALE:
200' 400'
1'' = 400'
PARK ACCESS AND WELL LOCATIONS
N
LEGEND:
SITE ACCESS PATHING
NOTES:
FINAL SIZE AND INTERVAL OF FILTER PACK AND WELL CASING PERFORATION
WILL BE DETERMINED BASED ON RESULTS OF PILOT BOREHOLE DRILLING
S.S. = STAINLESS STEEL
FINAL DEPTH OF BOREHOLE AND WELL CASING TO BE DETERMINED BASED
ON RESULTS OF PILOT BOREHOLE DRILLING
CONDUCTOR CASING DEPTH TO BE DETERMINED BASED ON SITE
CONDITIONS ENCOUNTERED
OD = OUTSIDE DIAMETER
ID = INSIDE DIAMETER
DIA = DIAMETER
FILLET WELD
3/8" (TYP)
1'
5/16" THICK x 2" WIDE
GUIDES - INSTALL AT 90°
POINTS AND AT INTERVALS
NOT GREATER THAN 40'
BLANK CASING
HALF PIPE SECTIONS
4" DIA PIPE, 5/16" WALL
THICKNESS (TYP) INSTALL
AT 90° POINTS ONLY ON TOP
OR BOTTOM NON-PERFORATED
ENDS AT INTERVALS NOT GREATER
THAN 40'
LOUVERED SCREEN
FILLET WELD
5/16" (TYP)
NOT TO SCALE
CASING CENTRALIZERSA
NOTE: ALL CENTRALIZER AND WELDING MATERIALS TO
LOUVERED CASING BLANK CASING
EXTEND 3" OUT FROM
CASING WALL (TYP)
BE THE SAME TYPE AS THE CASING MATERIAL.
30°(TYP)
EXTEND 3" OUT FROM
CASING WALL (TYP)
WELD 1/4" 304 L S.S. STEEL COVER
PLATE PER SPECIFICATIONS
42" DIA CONDUCTOR BOREHOLE (MIN)
SAND CEMENT (10.3 SACK TYPE II) SEAL
18-5/8" OD x 1/4" WALL THICKNESS 304 L S.S.
BLANK CASING
NOMINAL 2-1/2" SCH 40 304 L S.S.
GRAVEL FEED TUBE (TO 65' BGS)
SAND CEMENT (10.3 SACK TYPE II) SEAL
FOR CONDUCTOR CASING
GROUND LEVEL (DRILLING)
FINISH GROUND SURFACE
NOT TO SCALE
PRELIMINARY WELL DETAIL
4'
INSTALL S.S. CENTRALIZERS (TYP)
PER DETAIL AND SPECIFICATIONS
A
NOMINAL 26" DIA BOREHOLE
3-1/2'
18-5/8" OD x 1/4" WALL THICKNESS 304 L S.S.
0.060" SLOT FUL-FLO LOUVERED SCREEN
18-5/8" OD x 1/4" WALL THICKNESS 304 L S.S.
BLANK CASING AND WELDED BOTTOM CAP
PRADO REGIONAL PARK WELL
515'
50'
36" OD 5/16" WALL THICKNESS
MILD STEEL CONDUCTOR
CASING TO 50'
NOMINAL 30" DIA BOREHOLE
#8/16 FILTER PACK (TYP)
55' 60' 65'
100'
180'
200'
210'
300'
380'
490'
500'
5' OF BENTONITE SEAL
(3/8" BENTONITE CHIPS)
5' OF TRANSITION SAND
(12 x 20)
3" ID SCHEDULE 40 304 L S.S.
SOUNDING/CAMERA TUBE
(TO 195' BGS)
#8/16 FILTER PACK (TYP)
18-5/8" OD x 1/4" WALL THICKNESS 304 L S.S.
0.060" SLOT FUL-FLO LOUVERED SCREEN
BGS = BELOW GROUND SURFACE
CHECKED BY:
DESIGNED BY: DRAWN BY:
DESCRIPTIONREV. DATE APP'D
DATE:
TWO WORKING DAYS BEFORE YOU DIG
Call: TOLL FREE
Underground Service Alert
PLANS APPROVED BY: PLANS PREPARED UNDER SUPERVISION OF
R.C.E.
EXP.EXP.DATE: DATE:R.C.E.
DL
CP
PRADO RP WELL
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PRELIMINARY DESIGN
01/16/26
PRADO REGIONAL PARK
NEW WATER IRRIGATION SOURCE
Don Lee Stamp
Depth Interval (feet bgs)
Conductor Borehole 0 - 52 42 nominal Conductor Casing +1 - 50 32 O.D. (5/16-inch wall thickness, mild steel) Pilot Borehole 52 - 515 17.5 nominal (maximum) Final Borehole (Upper) 52 - 210 30 nominal Final Borehole (Lower) 210 - 515 26 nominal
+4 – 100 (blank) 18-5/8 O.D. (1/4-inch wall thickness, 314L S.S.)
100 – 180 (screen) 18-5/8 O.D. Ful-Flo Louvered (1/4-inch wall thickness, 314L S.S.)
180 – 200 (blank) 18-5/8 O.D. (1/4-inch wall thickness, 314L S.S.)
200 – 300 (screen) 18-5/8 O.D. Ful-Flo Louvered (1/4-inch wall thickness, 314L S.S.)
300 – 380 (blank) 18-5/8 O.D. (1/4-inch wall thickness, 314L S.S.)
380 – 490 (screen) 18-5/8 O.D. Ful-Flo Louvered (1/4-inch wall thickness, 314L S.S.)
490 – 500 (blank) 18-5/8 O.D. (1/4-inch wall thickness, 314L S.S.)
Gravel Make-Up Tube +3-1/2 – 65 (blank) 2-1/2 nominal (Schedule 40, 304L S.S.)
Camera Tube +3-1/2 - 195 3 nominal (Schedule 40, 304L S.S.)
Notes:
bgs – below ground surface
I.D. – inside diameter
O.D. – outside diameter
S.S. – stainless steel
Description Diameter (inches)/ Material
Table 1 Preliminary Well Design Summary
Prado Regional Park Well
Well Casing
Example Camera Tube Connection Box
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