140R2022B0002_Amendment_0008_0008.pdf

(x)

140R2022B0002 x x

1 copies of the amendment; (b) By acknowledging receipt of this amendment on each copy of the offer submitted ; or (c) By separate letter or electronic communication which includes a reference to the solicitation and amendment numbers. FAILURE OF YOUR ACKNOWLEDGEMENT TO BE

RECEIVED AT THE PLACE DESIGNATED FOR THE RECEIPT OF OFFERS PRIOR TO THE HOUR AND DATE SPECIFIED MAY RESULT IN REJECTION OF YOUR

OFFER. If by virtue of this amendment you desire to change an offer already submitted , such change may be made by letter or electronic communication, provided each letter or electronic communication makes reference to the solicitation and this amendment, and is received prior to the opening hour and date specified.

x

Sacramento CA 95825-1898 2800 Cottage Way, Room E-1815

R20

Division of Acquisition Services Regional Office Mid-Pacific Region Bureau of Reclamation

140R2022B000207/07/20220008

13. THIS ITEM ONLY APPLIES TO MODIFICATION OF CONTRACTS/ORDERS. IT MODIFIES THE CONTRACT/ORDER NO. AS DESCRIBED IN ITEM 14.

12. ACCOUNTING AND APPROPRIATION DATA (If required) is not extended.is extended, Items 8 and 15, and returning

Offers must acknowledge receipt of this amendment prior to the hour and date specified in the solicitation or as amended , by one of the following methods: (a) By completing

The above numbered solicitation is amended as set forth in Item 14. The hour and date specified for receipt of Offers

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

FACILITY CODE CODE

10B. DATED (SEE ITEM 13)

10A. MODIFICATION OF CONTRACT/ORDER NO.

9B. DATED (SEE ITEM 11)

9A. AMENDMENT OF SOLICITATION NO.

CODE

8. NAME AND ADDRESS OF CONTRACTOR (No., street, county, State and ZIP Code)

7. ADMINISTERED BY (If other than Item 6)CODE 6. ISSUED BY

PAGE OF PAGES

4. REQUISITION/PURCHASE REQ. NO.3. EFFECTIVE DATE2. AMENDMENT/MODIFICATION NO. 5. PROJECT NO. (If applicable)

1. CONTRACT ID CODE

AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT

05/16/2022

CHECK ONE A. THIS CHANGE ORDER IS ISSUED PURSUANT TO: (Specify authority) THE CHANGES SET FORTH IN ITEM 14 ARE MADE IN THE CONTRACT

B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO REFLECT THE ADMINISTRATIVE CHANGES (such as changes in paying office, C. THIS SUPPLEMENTAL AGREEMENT IS ENTERED INTO PURSUANT TO AUTHORITY OF:

D. OTHER (Specify type of modification and authority) appropriation data, etc.) SET FORTH IN ITEM 14, PURSUANT TO THE AUTHORITY OF FAR 43.103(b).

E. IMPORTANT: Contractor is not is required to sign this document and return __________________ copies to the issuing office.

ORDER NO. IN ITEM 10A.

14. DESCRIPTION OF AMENDMENT/MODIFICATION (Organized by UCF section headings, including solicitation/contract subject matter where feasible.)

A. Title: Truckee Canal - Canal Lining STA. 650+00 to 838+00 and, Bango Check Modification and Fernley Check Replacement

B. Purpose: The purpose of this amendment is to publish the answers to certain questions received after the published question due date and their supporting documents.

C. Description: This amendment publishes the answers to Question Set 3 and Question Set 4.

Additionally, two revised drawings (29-D-60162-RD-1 and 29-D-60163-RD-1) are included as part of the answers to questions 1 and 2 of Question Set 3.

16A. NAME AND TITLE OF CONTRACTING OFFICER (Type or print)15A. NAME AND TITLE OF SIGNER (Type or print)

15C. DATE SIGNED 16B. UNITED STATES OF AMERICA 15B. CONTRACTOR/OFFEROR 16C. DATE SIGNED

(Signature of person authorized to sign) (Signature of Contracting Officer)

Erik M. Danger

STANDARD FORM 30 (REV. 11/2016)

Prescribed by GSA FAR (48 CFR) 53.243

Previous edition unusable

Except as provided herein, all terms and conditions of the document referenced in Item 9 A or 10A, as heretofore changed, remains unchanged and in full force and effect .

Truckee Canal – Canal Lining Sta 650+00 to 838+00 and Bango Check Modification Fernley Check

Replacement

Pre-Bid Questions and Answers

Question Set 3

1. Question: There are a couple of places in the specifications where slip form lining is referenced.

Slip lining would conflict with the construction joint spacing called out on the plans. Can you please confirm by addendum that the construction joint spacing detailed on the plans will prevail, and a slip formed canal is not the intent.

Reclamation Response: See revised drawing 29-D-60162. Joint spacing and type shall meet specification drawing requirements. If slipforming is used (not required/Contractor option), joint spacing and type shall meet specification drawing requirements.

2. Question: Detail C/29-D-60162 calls out control joints on the channel slopes, and contraction joints on the flat. The control joint note calls note 5 which then reference the contraction joints.

The following page includes detail 4 for control joints. This detail calls for a tooled or plastic strip formed joint. We have some vendors who are interpreting this call-out to allow for tooled or plastic strip control on the slope. To add to the confusion specification section 03 30 00 3.04 C describes the control joints as allowing the first portion to set, curing that the section and then casting the next section (Cold Joint / Construction Joint). Can you please clarify if the control joints can be tooled/plastic strip joints, or if then need to be construction joints.

Reclamation Response: See revised drawings 29-D-60162 and 29-D-60163 with “tooled joints” replacing “control joints” for concurrence with specification paragraphs. The intent is for the transverse canal joints to be tooled, with the exception of contraction, expansion, and construction joints. Transverse canal lining tooled joints as shown on detail 4 of drawing 29-D-

60163 are acceptable.

3. Question: Can you please verify that the plans are not required to be stamped by the EOR. We did not notice any engineer’s seal on the plans and that is unusual per the projects we typically construct. Or verify that the conformed plans will be stamped by the EOR.

Reclamation Response: Reclamation is the Engineer of Record for features shown on Specification

Drawings, and is exempt from Nevada State provisions for professional licensure (see Reclamation

Directives and Standards, FAC 03-03, HRM 05-01, and Nevada Revised Statute 625.095). Shop drawings prepared by the Contractor that are required to be stamped by a Professional Engineer are identified in submittal requirements.

https://www.leg.state.nv.us/NRS/NRS-625.html#NRS625Sec095

Truckee Canal – Canal Lining Sta 650+00 to 838+00 and Bango Check Modification Fernley Check

Replacement

Pre-Bid Questions and Answers

Question Set 4

1. Question: Sheet 29-D-60187 shows two pole mounted lighting fixtures on the structure.

Specification 26-51-10 calls out a pole part number but check structure details show the mounting poles being built into the hand railing. Please clarify if the specified light pole are required.

Reclamation Response: Specified light poles are required as shown in 29-D-60187 for Fernley

Check Structure. The site plan view for Bango Check Structure depicted in 29-D-60189 is incorrect.

Light poles for Bango Check Structure are built into the handrails as shown in 29-D-6094. Light poles called out in specification Section 26 51 10 are not required for Bango check Structure.

2. Question: Sheet 29-D-60187 control building has light switches for canal lights and deck lights.

This sheet only shows two pole mounted light fixtures on the structure while other sheets show four light poles. How many deck lights and how many flood lights are required?

Reclamation Response: The Switch Schedule on 29-D-60187 is in error. Only two pole mounted deck lights are required at Fernley Check Structure.

3. Question: Sheet 29-D-60187 note #4 requires the contractor to provide the PLC cabinet. Please provide specifications for the cabinet.

Reclamation Response: NEMA 250 Type 12, 60” high, 24” wide, 18” deep.

4. Question: Sheet 29-D-60188 Is there an approximate distance from the Fernley control building to the nearest NV Energy pole to budget for the service conduit provisions?

Reclamation Response: Contractor is responsible for installing Main Meter box (MM) in coordination with utility. Utility is responsible for all work to bring power to Main Meter box.

5. Question: Sheet 29-D-60188 conduit #15 (note 8) is a separate conduit to each motor/actuator required or one spare conduit between the control building and motor/actuator area?

Reclamation Response: Conduit Number 13 is one 3/4” conduit and Conduit Number 15 is one 2” conduit. Total of 2 spare conduits.

6. Question: Sheet 29-D-60187/29-D-60189, Both buildings show a lighting contactor cabinet and specification 26-51-10 calls for 24VAC control coils for the contactors. Will the lights be controlled remotely by the PLC or just manually with the switches in the control building?

Reclamation Response: Controlled remotely by the PLC. Switches should serve as manual override.

7. Question: Specification 26-32-10 (F3) requires generator factory vibration tests, this will add considerable cost. Can this factory test be waived?

Reclamation Response: No.

8. Question: Specification 26-05-26 requires grounding system design and layout drawings. Will CAD drawings be available and will the design engineer be required to make site inspections

Reclamation Response: Yes, CAD drawings will be available. The design engineer is not required to inspect the site. However, the COR will inspect all site work

Concrete lining

Geomembrane composite, Typ.

Existing ground, slope varies

Anchor trench, Typ., see Detail 2

12.0' Min.

B

WSEL

ss

8"

Cl.

FB

Slope 2:1 to match existing grade

O&M road

Slope varies

FL

Excavation type A or B, see Note 2

D n

H

Geomembrane composite liner bedding, see Note 3

Compacted embankment fill

HYDRAULIC PROPERTIES TABLE

Station Q (CFS) B (FT) Dn (FT) H (FT) FL (FT) FB (FT) S (FT/FT) n V (FT/s) R (FT) ss:1

650+00 to 707+85 600* 33.00 4.53 10.00** 1.34 3.16 0.00019 0.015 2.17 4.58 2:1

707+85 to 838+00 600* 33.00 4.56 10.00** 1.34 3.16 0.00018 0.015 2.46 4.23 2:1

* Flow of 600 CFS and relevant hydraulic properties are based on completion of all Phase 1 lining, which is not included in this Contract.

** Project lining height not based on Dn + FL, determined based on other project conditions.

1.5', Min.

1.

5'

M in

8"

2'-0", Min.

2'-0", Min.

Longitudinal contraction joints 14'-0" O.C. Max., Typ. See Note 5

Longitudinal contraction joint

All details symmetric about Cl.

No joints located within hatch zone, Typ.

Transverse contraction joint, see Note 6

Transverse tooled joint, see Note 5

DESIGNED

DRAWN

CHECKED

TECH. APPR.

APPROVED

PEER REVIEWER -

MATT GEMPERLINE

MATT GEMPERLINE

MICHELLE NORRIS

Lorberau, Jeremy M P.E.

Norris, Michelle L P.E.

Civil Engineer

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CANAL HYDRAULIC

PROPERTIES

TYPICAL SECTIONS AND

DETAIL

DENVER, CO

29-D-60162

2022-02-25

NOTES

1. HYDRAULIC PROPERTIES TABLE shows properties for flow rate (600

CFS), with all Phase 1 lining complete. Due to current canal conditions and Contract work this flow exceeds current flow restrictions, which are to be followed.

2. Surface excavation and preparation varies, see EXCAVATION ZONE TABLE on (60163).

3. All dimensions for excavation are given relative to finished canal invert, see (60163).

4. For typical joint details and expansion joint locations, see (60163).

5. Transverse tooled joint spacing shall match longitudinal contraction joint spacing, unless otherwise directed by COR.

6. Transverse contraction joint spacing every 1000' Max., staggered with expansion joints, see (60163).

DETAIL - GEOMEMBRANE COMPOSITE ANCHOR TRENCH

0 5' 10'

1' 2'0

Anchor trench

Concrete lining

Geomembrane composite

Compacted structural backfill

TYPICAL SECTION - TOOLED/TRANSVERSE JOINTS

C 3' 6'0

TYPICAL SECTION - CONCRETE LINED CANAL

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R ea dy f or R el ea se

Amendment 0008

Elastomeric joint sealer

3/4"" chamfer

Top of concrete lining

Elastomeric joint sealer, see Specifications

3/4" Chamfer

1/2" Sponge rubber joint filler

See EXPANSION JOINT TABLE for spacing

Groove may be tooled or formed with plastic strip

Elastomeric joint sealer

Top of concrete lining

1/ of t

M in t

1/4"

NOTES

1. Excavation type A includes facing and moderate compaction only.

Excavation type B includes 6" canal geomembrane composite liner bedding, see Specifications.

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TYPICAL CANAL TABLES

AND JOINT DETAILS

ELEVATIONS,

EXCAVATION, AND

JOINTS

DENVER, CO

29-D-60163

2022-02-25

DESIGNED

DRAWN

CHECKED

TECH. APPR.

APPROVED

PEER REVIEWER -

MATT GEMPERLINE

DOUGLAS RICHARDS

MICHELLE NORRIS

Lorberau, Jeremy M P.E.

Civil Engineer

Norris, Michelle L P.E.

Civil Engineer

EXCAVATION ZONE TABLE

Start Station End Station Excavation Type

650+00 700+00 A 700+00 838+00 B

STATION/ELEVATION TABLE

Station Elevation "C" (ft) Top of Concrete

Lining

Elevation "D" (ft) Finished Canal

Invert 650+00 4193.97 4183.97 660+00 4193.79 4183.79 670+00 4193.60 4183.60 680+00 4193.42 4183.42 690+00 4193.23 4183.23 700+00 4193.05 4183.05 708+00 4192.90 4182.90 718+00 4192.72 4182.72 728+00 4192.54 4182.54 738+00 4192.35 4182.35 743+00 4192.26 4182.26 753+00 4192.08 4182.08 763+00 4191.90 4181.90 773+00 4191.72 4181.72 783+00 4191.54 4181.54 793+00 4191.36 4181.36 803+00 4191.18 4181.18 813+00 4191.00 4181.00 823+00 4190.82 4180.82 833+00 4190.63 4180.63 838+00 4190.54 4180.54

EXPANSION JOINTS TABLE

Minimum spacing 1000 feet O.C.

Spacing at canal horizontal bends

At PC and PT for all bends over 10 degrees at centerline

PP8 spacing Joint between concrete lining and PP8 apron

DETAIL - EXPANSION JOINT3 NOT TO SCALE

DETAIL - CONTRACTION JOINT5 NOT TO SCALE

DETAIL - TOOLED JOINT4 NOT TO SCALE

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R el ea se d

Amendment 0008