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  3. Project Summary

Project Summary

WWD4004057
XP-99T25001
Avenue J-12 and 50th Street West Site Improvements Well 4-91
Existing Ave. J-12 and 50th St. West Well Field and Pump Station Site - 43808 N. 50th St. West, Lancaster
Construct water Well 4-91. Install approximately 1,000 feet of 8-inch diameter ductile iron pipe. Construct a retention basin for the flushing of wells. Replace chain link fence (CLF) with block wall; remove the easterly CLF within the property. Electrical upgrades to ensure workability. This proposed project will also consist of electrical upgrades.
9/10/2024
11/5/2024
12/30/2024
11/5/2025
1/22/2027
Lancaster
Irma Vasquez
(626) 458-4951
Send Email
$4,587,457.00 View Bid Results
Environmental Construction, Inc.
21550 Oxnard Street, Suite 1060
Woodland Hills CA 91367
View Plan Holders
Payments
Period EndingPayment Type
12/06/2025 Progress
Documents
DocumentNotesDatePagesSize
Bid Summary Bid Summary 12/5/2024 7 142.99 kb
Plans (change order) Revision - 12092025 12/9/2025 18 13.01 Mb
Plans (change order) Revised Plans - 06082025 6/8/2025 18 12.97 Mb
Addendum Addendum No. 3 - Extend Bid Date 10/21/2024 1 130.08 kb
Addendum Addendum No. 2 - Revision of Special Provisions, Bid Proposal and Prebid Q&A 10/17/2024 7 753.37 kb
Addendum Addendum No. 1 - Extend Bid Date 10/10/2024 1 318.66 kb
Microsoft Teams Online Bid Opening Webcast To join the online bid opening, please click on the day of the bid opening Microsoft Teams Online Bid Opening Webcast 9/10/2024 0
Notice Inviting Bids Notice Inviting Bids 9/5/2024 5 619.5 kb
Instructions To Bidders Instructions to Bidders 9/4/2024 20 453.08 kb
Bid Proposal Bid Proposal 9/3/2024 40 1.37 Mb
Special Provisions NIB, Special Provisions, Sample Agreement 8/30/2024 540 14.9 Mb
Plans (as advertised) Project Plans 8/29/2024 18 12.24 Mb
Information Only GMED Report 8/28/2024 78 60.05 Mb

Bid Items
Item Description Unit of Measure Estimated Quantity
1 CONSTRUCTION SCHEDULE (BASELINE) (STIPULATED UNIT PRICE OF $2,500) LS 1
2 CONSTRUCTION SCHEDULE (UPDATE) (STIPULATED UNIT PRICE OF $500/MONTH) MTH 9
3 CONSTRUCTION SCHEDULE (AS-BUILT) (STIPULATED UNIT PRICE OF $1,000) LS 1
4 IMPLEMENTATION OF THE LTWHP LS 1
5 PREPARATION OF THE NOISE MITIGATION PLAN (STIPULATED LS UNIT PRICE $10,000) LS 1
6 LANCASTER CITY PERMITS (ALLOWANCE OF $25,000) AL 25,000
7 WELL DRILLING PERMITS (ALLOWANCE OF $25,000) AL 25,000
8 IMPLEMENTATION OF THE NOISE MITIGATION PLAN LS 1
9 TEMPORARY SOUND WALLS LS 1
10 IMPLEMENTATION OF BMPS LS 1
11 SHORING OF OPEN EXCAVATIONS LS 1
12 PREPARATION OF THE SITE-SPECIFIC ASBESTOS ABATEMENT PLAN (STIPULATED UNIT PRICE OF $5000) LS 1
13 IMPLEMENTATION OF THE SITE-SPECIFIC ASBESTOS ABATEMENT PLAN LS 1
14 REMOVAL AND DISPOSAL OF NON-HAZARDOUS ASBESTOS WASTE LS 1
15 OFFICE FACILITIES MTH 10
16 MOBILIZATION LS 1
17 BARRICADE POSTS, STD PLAN W-14 EA 4
18 VIDEO CAMERA SURVEY EA 1
19 PREPARATION OF WELL DEVELOPMENT AND TESTING DISCHARGE PLAN (STIPULATED UNIT PRICE OF $ 12,000) LS 1
20 IMPLEMENTATION OF WELL DEVELOPMENT AND TESTING DISCHARGE PLAN LS 1
21 REAM BOREHOLE LF 500
22 GRAVEL CHUTE LF 107
23 CONDUCTOR BOREHOLE LF 100
24 CONDUCTOR CASING LF 103
25 PILOT BOREHOLE LF 500
26 GEOPHYSICAL BOREHOLE LOGS EA 1
27 WELL CASING LF 350
28 LOUVERED WELL SCREENS LF 150
29 AIR VENT TUBE LF 20
30 SOUNDING TUBE LF 704
31 CEMENT GROUT SEAL LF 100
32 6" CRUSHED ROCK CY 3
33 ABANDON PILOT BOREHOLE EA 1
34 SEEPAGE PIT LS 1
35 GRAVEL PACK LF 400
36 AQUIFER STEP-DRAWDOWN TEST (SHORT DURATION) EA 1
37 ISOLATED AQUIFER ZONE TESTING EA 1
38 ANALYSIS OF GROUNDWATER SAMPLES EA 3
39 CONCRETE SPLASH PAD LS 1
40 REINFORCED CONCRETE WINGWALL AND HEADWALL LS 1
41 REMOVE AND DISPOSE EXISTING FENCING LS 1
42 REMOVE AND REPLACE PORTION OF FENCE 4-27 AND APPURTENANCES LS 1
43 MASONRY BLOCK WALL LF 804
44 REMOVE AND DISPOSE EXISTING BLOCK WALL SF 1,250
45 12" HDPE PIPE LF 15
46 INITIAL DEVELOPMENT BY SWABBING AND AIRLIFTING LS 1
47 PLUMBNESS ALIGNMENT AND SURVEY EA 1
48 CALIPER LOGS EA 1
49 SPINNER (FLOW METER) SURVEY EA 1
50 DEVELOPMENT BY PUMPING LS 1
51 CONSTANT DISCHARGE AQUIFER TEST EA 1
52 CONTINUOUS RATE AQUIFER PUMP TEST - RECOVERY EA 1
53 WELL SLAB AND PEDESTAL PER STD PLAN W-20 LS 1
54 DISINFECTION OF WELL LS 1
55 UNCLASSIFIED EXCAVATION (WELL 4-91 PAD) CY 45
56 UNCLASSIFIED EXCAVATION (RETENTION BASIN) CY 226
57 8" GATE VALVE, FLG'D, 200 PSI WWP, CL 125 EA 1
58 8" FLG'D GATE VALVE, CL 125, 200 PSI, WWP, NRS, WITH VALVE BOX PER LACWD STD PLAN W-15 EA 6
59 2" DEEP WELL AIR RELEASE/VACUUM VALVE EA 1
60 8" FLOW METER EA 1
61 8" WATERMAIN, D.I. LF 1,016
62 8" CML & C STL PIPE, 0.25" WALL THICKNESS, WELDED LF 12
63 8" CML STL PIPE, 0.25" WALL THICKNESS (WELL 4-91) LF 25
64 PIPE SUPPORT PER LACWD STD PLAN W-17 EA 6
65 8" CHECK VALVE, FLG'D CL 125 EA 1
66 TEMPORARY WELL PUMPING AND DISCHARGE EQUIPMENT LS 1
67 CONCRETE CATCH BASIN PER SPPWC STD PLAN 305-3 & MISC. CONCRETE LS 1
68 ORNAMENTAL STEEL FENCE LF 68
69 INITIAL VIDEO INSPECTION LS 1
70 VIDEO INSPECTION LS 1
71 STRUCTURE CONCRETE CY 121
72 GRAVEL PAVEMENT SF 14,200
73 ELECTRICAL WORK LS 1
74 CONCRETE CURB PER SPPWC STD PLAN 120-2, A3-6 LF 184
75 WELL PUMP AND MOTOR LS 1
76 TEMPORARY POWER (WELL 4-91) MTH 6
77 COMMUNITY RELATIONS (ALLOWANCE OF $50,000) AL 50,000
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