BOARD OF PUBLIC WORKSMEMBERSGREG GOOD

PRESIDENT

AURA GARCIAVICE PRESIDENT

DR. MICHAEL R. DAVISPRESIDENT PRO TEMPORE

JESSICA M. CALOZACOMMISSIONER

M. TERESA VILLEGASCOMMISSIONER

DR. FERNANDO CAMPOSEXECUTIVE OFFICER

CITY OF LOS ANGELES CALIFORNIA

ERIC GARCETTIMAYOR

March 23, 2021

DEPARTMENT OFPUBLIC WORKS

BUREAU OF ENGINEERING

GARY LEE MOORE, PE, ENV, SPCITY ENGINEER

1149 S. BROADWAY, SUITE 700 LOS ANGELES, CA 90015-2213

http://eng.lacity.org

Jeremy Yablan, Project ManagerUnited Mechanical Contractors, Inc.794 E. Los Angeles AvenueSimi Valley, CA 93065

Project: DCTWRP 6214 ADMINISTRATION BUILDING HVAC REPLACEMENT W.O. SZD11276Subject: Preliminary CO No. 007 CLA Ltr. No.007

Dear Jeremy Yablan:

Please see the attached Preliminary CO No. 007 and submit a Lump Sum proposal for the extra work with acomplete itemized cost breakdown of all labor, materials and equipment necessary to accomplish this work.Please submit your written cost proposal within two weeks from the date of this letter. This office will review yourproposal and, if necessary, it will be negotiated for final resolution to the satisfaction of both parties.

In addition, please provide a CPM schedule analysis for any impact to the critical path of the constructionschedule as a result of this change. If applicable, provide an estimate in terms of calendar days, supported bythe analysis, to be added or deducted from the critical path of the current project schedule.

No work shall be performed on this change unless a directive to proceed is forwarded from this office.

For all correspondence regarding this change, please reference Preliminary CO No.007. If you have anyquestions, please contact me at (213) 631-0488.

Sincerely,

Sam Navid Construction Manager Environmental Engineering Division

cc: Michael.R.Thomas@lacity.org,jorge.bustamante@lacity.org,

gaye.chapman@lacity.org,John.x.Marasco@lacity.org

AN EQUAL EMPLOYMENT OPPORTUNITY EMPLOYER Recyclable and made from recycled waste.

ENGINEERING City of Los Angeles - Department of Public Works - Bureau of Engineeri ng - -~-

Project: COR No.: Revision:

CHANGE ORDER REQUEST

DCTWRP 6214 ADMINISTRATION BUILDING HVAC REPLACEMENT 010 0

Subject: PCO 007 Subject: LADBS Correction notice - Duct Smoke Detectors for HVAC System Shutdown

Descr iption: PCO 007 SubJect: LADBS Correction notice - Duct Smoke Detectors for HVAC S]".stem Shutdown ALL WORK TO BE PERFORMED DURING REGULAR HOURS NO WALL OPENINGS OR DRYWALL REPAIR OR PAINT INCLUDED IN THIS QUOTE 43 SMOKE DETECTORS TOTAL

Date: 04/06/2021 Status: Select One .., ~ GC No.: Total Estimate: $301,287.08

Change Order Cost Summary

Line Dir!i:!:;t LS!QQr Dir!i:!:;t Mi:!t!i:ri§!l Dire!:;t EQ!.!i.P.·

(1) : Lump Sum Work by Prime Contractor $0.00 $0.00 $0.00

(2): "T&M" Work by Prime Contractor $0.00 $0.00 $0.00

(3): Subtotal-Direct Work (Prime Contractor) $0.00 $0.00 $0.00

(4): All Lumg Sum Work By Subcon ractors (any tier) $0.00 $0.00 $0.00

(5): All "T&M" Work by Subcontractors (any tier) $0.00 $0.00 $0.00

(6): Subtotal-Direct Work (All Subcontractor) $0.00 $0.00 $0.00

(7): rT~Wc~{rect costs $0.00 $0.00 $0.00

(8): Markups (20% of Direct (15% of Direct (15% of Direct Labo~ Mat' Id ~i~wJ $0.0 $0 .0

(9): Sum of Payments for City Re~uested Purchases of Equipment and Professional Services, or Permits and Fees not Covere by the Contract.

(10): Prime Contractor Markup for Subcontractors / Pass-throuqh Payments

5% of Lines (6) and (9) Direct sub work

(11): Bonds & Insurance 1 % of Lines (7) and (9) All direct work

(12): Additional amount (if any) Permitted by Contract

(13 ): Grand Total

Uploaded Files File Name SMOKE DETECTOR SHUTDOWN SYSTEM.pdf

Document links

Size( Bytes) 6.67 MB

Add sums of lines (7),(8),(9),(10),(11) and (12)

Uploaded By Jeremy Yablari

Tu!.ill

$0.00

$0 .00

$0.00

$0.00

$0.00

$0.00

$0.00

$0.00

$284233.10

$14211.65

$2842 .33

$0.00

$301287.08

-,.

UNITED MECHANICAL CONTRACTORS, INC BREAKDOWN QUOTE

JOB: DCTWRP 6214 ADMINISTRATION BUILDING HVAC REPLACEMENT

JOB# UMC·SSS

WORK: SMOKE DETECTOR SHUTDOWN SYSTEM ESTIMATED BY: JEREMY YABLAN APPROVED: DATE:

ITEM QUOTATION LISTED ON PRICING SHEETS SUBCONTRACT EQUIPMENT MATERIAL

COST ISi RENTAL IS) DOLLARS

1 PCO 007 Subject: LADBS Correction notice · Duct Smoke Detectors for HVAC System Shutdown s 252,262.35 s . $0.00

2 END OF QUOTE s . s . $0.00

ALL WORK TO BE PERFORt.tED DURING REGULA~ HOURS

NO WALL OPENINGS OR DRYWALL REPAIR OR PAINT INCLUDED IN THIS QUOTE

43 SMOKE DETECTORS TOTAL

I TOT AL MATERIAL COST & 1.ABOR HOURS s 252.262.35 s . $0.00

OTHER COST & EXPENDITURES SELLING PRICE 1 ANTICIPATED AVERAGE CREW SIZE 2 LABOR COST 1FMl 129.00 hrs S.T . s 97.70 ner hr

0% Other tools and equipment I s LABOR COST (JM) 129.00 hrs S.T. $ 88.89 oer hr

129.0 Truck Exoense I Per Hour Is 40.16 s 5.180.64 0.00 hrs S.T . s . oer hr 0.0 TRAVEL EXPENSE/ PER DAY Is . s - . 0.00 hrs O.T. $ . per hr

MATERIAL COST

s SUBCONTRACTOR COST

s OTHER COST & EXPENDITURES

s TOTAL PRIME COST

LABOR MARK-UP 0.0% MATERIAL MARK-UP 0.0%

SUB COST MARK-UP 0.0% EQUIPMENT RENTAL MARK-UP 0.0%

' OTHER COST & EXPENSE MARK-UP 0.0%

AS-BUil T DRAWINGS ($113.3~R) / 4 s 453.00 TOTAL MARK-UP

ESTIMATING ($113 .361HRl "-...../ 4 s 453.00 SITE VISITS ANO FIELD INVESTIGM'IO~ 16 s 1.814.00

...... u I AL NE t't<ll.;t;.

CITY TAX 0.0% BONDING 0.0%

TOTAL OTHER COST & EXPENDITURES s 7,900.64 1101.AI QUOTE

TIME EXTENSION: 90 WORKING DAYS TIME TO COMPLETE AFTER AWARD: QUOTE FIRM UNTIL: 05/06121

04/06121

LABOR

HOURS

258.00 0.00

258.00

$12,603.30 $11,466.81

$0.00 50.00

$0.00 $252,262.35

$7,900.64

$284,233.10

$0.00

$0.00

$0.00 $0.00 $0.00

$0.00

~2841L.>.>, 10

$0.00

$0.00 S284,233.10

UNITED MECHANICAL CONTRACTORS, INC

JOB# UMC-555 DATE: 04/06/21

PROJECT: OCTWRP 6214 ADMINISTRATION BUILDING HVAC REPLACEMENT I I I I

ITEM: SMOKE DETECTOR SHUTDOWN SYSTEM

I I I I

PCO 007 Sublecl: LAOBS Correction notice · Duel Smoke Oeleclors for HVAC Svstcrn Shutdown

P.AAl'F-RIA.1 l.AU()H SU6 OUOlATl()N COl<STFOUIP

I TOTALS $0.00 258.00 $252.262.JS S0.00 S0.00

I DESCRIPTION QUANTITY MATERIAL PER EXTENSION LABOR PER EXT SUB QUOTATION EQUIPMENT

-B ... KER ELECTRIC · RUN CONDUITS WITH PULL STRINGS ANO CONTROL PANE.LS ' $ . 1 0.00 0.00 ' 0.00 $169Jl'J0.54 $0.00 $0.00 ADVANCED ALARM ANO FIRE · PROVIDE DETECTION SYSTEM ANO INSTALL TEST STATIONS 1 s . 1 0.00 0.00 1 0 .00 $62.000.00 $0.00 $0.00 BEST CONTRACTING SERVICES - ROOF PENETRATION REPAIR I II 1 $ . 1 0.00 0.00 I 0.00 $ 1,241.81 $0.00 $0.00 UNITED MECHANICAL· INSTALL SMOKE DETECTORS IN SUPPLY AIR DUCTWORK 1 s . 1 0.00 129.00 2 258.00 $0.00 $0.00 $0.00

1 $ . 1 0.00 0.00 1 0.00 $0.00 $0.00 $0.00 1 s . 1 0.00 0.00 1 0.00 $0.00 $0.00 $0.00 1 $ . 1 0.00 0.00 1 0.00 $0.00 $0.00 $0.00

---- I s . 1 0.00 0.00 1 0.00 $0.00 $0.00 ~_,QO __

1 $ . 1 0.00 0.00 ' 0.00 $0.00 $0.00 $0.00 1 $ . 1 0.00 0.00 I 0.00 $0.00 $0.00 $0.00 1 $ . 1 0.00 0.00 I 0.00 $0.00 $0.00 $0.00 -1 $ 1 0.00 _ _!l.OQ J_ 0.00 $0.00 $0.00 -- _ $9.,QQ. 1 s . 1 0.00 0 .00 1 0.00 $0.oo --$Mo $0.00

-- --- - ------ -- --

r.l ~1Baker 1:1 Electric ---------- E•tablbh .. 1•>8

Baker Electric Inc. 1298 Pacific Oaks Place Escondido, CA 92029

Client Address:

UMC Inc. 794 E. Los Angeles Ave. Simi Valley, CA 93065

Work Description

CHANGE ESTIMATE CCN # Date: Project Name: Project Number: Page Number:

Description of added work:

8R2 4/5/2021 DCTWRP Tillman 20104 1

Install {45) new control cabinets per details on HV8.6A·HV8.6D. All interlock and shutdown wiring by others. Install new EMT conduit and wire for 120V power to DD's as shown on drawings. Assume using existing b reakers. Duct detectors and Test Switches will be provided and installed by others. Install new EMT conduit and wire above ceiling, below roof for new duct detectors as shown on C0-07 drawings, received on 3/31/2021. New pathways (C1, C2, C3) for control/shutdown wiring will receive string only, all wiring and terminations by others. Roof pentrations will receive a roof jack, roof repiars by others. Coring through floors with X-Ray as needed to complete scope of work per drawing details. All work assumed to take place during normal working hours, 7:00AM-4:00PM. No tie into existing fire alarm system is included, all associated work will be for local unit shutdown only.

We reserve the right to correct this quote for errors and omissions. This quote covers direct costs only and we reserve the right to claim for impact and consequential costs. 1. This price is good for acceptance within 1 O days from the date of receipt. 2. This price is based on approval of the work after drywall installation. 3. Labor rates are based on the work being completed in normal jobsite enviroments Monday through Friday, unless otherwise specified. Work performed after any local wage Increase is subject to labor cost increase. Work is to be performed during normal business hours, unless overtime hours or shift work hours are specifically listed in the breakdown. Standard contract and scope letter exclusions apply. Additional exclusions from the change are the following: 1. Removal or replacement of ceillng tlles, hard lid surfaces 2. Drywall removal or rep lacement 3. Wall finishes or repair, or repair to any existing surfaces This change represents a Ume Impact to the project of no less than "15" working days Any work required but not noted below is subject to recovery

Notwithstanding anything to the contrary in this change order, this change order only includes direct costs and does not waive claims for any delays, inefficiencies, disruption or suspension, extended overhead, acceleration, and the cumulat ive impact of this and other change orders issued to this date. No additional time beyond that authorized in this change order is sought as of this date based upon what is foreseeable now, but we are not waiving claims for additional t ime should circumstances change for reasons beyond our control. Due to current volatil ity in the commodities market, materials such as Copper, Steel, and PVC cannot be held for 30 days. Material pricing associated with this bid is valid at the time of bid

only. Changes in material pricing after the day of bid will be adjusted and presented at the time of billing.

Itemized Breakdown

Description Qtv Total Mat. Total Hrs. 3/4" EMT 3.470 8,627.46 138.80 3/4" CONN COMP STL - EMT 752 3,052.14 122.20 3/4" COUPLING COMP STL - EMT 347 1,625.14 39.04

CHANGE ESTIMATE

Baker Electric Inc. 1298 Pacific Oaks Place Escondido, CA 92029

Description 1 1/4" ROOF FLASHING 3/4" CONDUIT - RMC - GAL V 3/4" LOCKNUT - STEEL 3/4" BUSHING - PLASTIC

Client Address:

UMC Inc. 794 E. Los Angeles Ave. Simi Val ley , CA 93065

3/4" MEASURE CUT & THREAD LABOR- RMC- GALV 3/4" 1-H STRAP - EMT- STEEL 3/4" 2-PC STRUT CLAMP RMC / IMC - STEEL #10 THHN BLACK 1/8" POLYTWINE 18x18x10 CONTROL ENCLOSURE - NEMA 3R 18X18X10 CONTROL ENCLOSURE - NEMA 1 1 5/8x 1 5/8x 14G STRUT GALV 3/8-16x 1 5/8x 2 7/16 OR 3 1/4 SPRING NUT 3/8-16x 2 1/4 WEDGE ANCHOR- 1 1/2" MIN DEPTH 1/4-20 MACHINE SCREW ANCHOR 1/4" THREADED ROD - PL TD 3/8-16x 1 HEX HEAD SOLT - PL TD STL 3/8-16x 1 1/2 HEX HEAD BOLT - PL TD STL 1/4-20 HEX NUT - PL TD STL 3/8x 1 1/4 FENDER WASHER - PL TD STL MALL BEAM CLAMP TO 1" FLNG W/ 3/8-16 THRO HOLE BTM+BACK 2" DIAM CORE 4" THICK WALL 3/4" STEEL FLEX 3/4" STL FLEX CONN 3/4" STL 90 FLEX CONN 4x2-1 /8" SQ BOX COMB KO 4" SQ BLANK COVER 1/4" PLATED T-ROD 1/4-20 HEX NUT (PLATED} 1/4" FENDER WASHER WIRE HANGER HIL Tl SHOT 3/4" LT FLEX 314" LT STRAIGHT CONN 3/4" LT 90DEG CONN CADDY ROOF SUPPORT

Totals

Summa

General Materials CONTROL CABINETS

Material Tax (@9.500 %)

(383.85 Hrs @ $92.92) {383.85 Hrs@ $100.93)

CCN# Date: Project Name: Project Number: Page Number:

Qt-v 3

125 84 42 21

352 14

7,300 1,965

3 39 12 12

156 352

1,062 12 12

352 24 12 11

1, 128 376 376 227 227 454 454 454 227

72 24 24 21

20,598

Total Material JOURNEYMAN FOREMAN SCISSOR LIFT DELIVERY/PICKUP

(1.00@ 3.00@ $.iZ5.J!O + 0.000 % + 0.000 % + 0.000 %) (1.00@ 1.00 ~ + 0.000 % + 0.000 % + 0.000 %)

.. .._, Subtotal Overhead

Subtotal

Final Amount

CLIENT ACCEPTANCE

(@ 15.000 %)

8R2 4/5/2021 DCTWRP Tillman 20104 2

Total Mat. 256.32

1,040.14 47.26 14.52 0.00

200.29 43.51

4 ,816.69 24.62

0.00 0.00

69.63 53.42 83.58

155.72 844.50

2.59 3.39

13.73 2.49

131 .88 3,300.00 1,687.83 2, 110.49 4 ,271.36 4 ,228.71

987.34 448.82

21.52 82 .04

129.39 300.24 144.81 263.54 525.00

39,610.12

Total Hrs. 3.75 7.81 2.42 1.05 5.25

23.76 0.89

51.54 7.37 7.50

87.75 1.50 0.60

23.40 35.20 33.24

0.63 0.69 8.80 0.30 1.20 5.50

12.41 23.69 23.69 40.86 10.90 11.35 9.08 4.54

11.35 3.51 2.20 2.88 1.05

767.69

39,610.12 42,003.00

7,753.25

89,366.37 35,667.34 38,741.98

525.00 65.00

\. 164,365.69 24,654.85

189,020.54

$189,020.54

CHANGE ESTIMATE

Baker Electric Inc. 1298 Pacific Oaks Place Escondido, CA 92029

CCN# Final Amount :

Name:

Date:

Signature:

Change Order#:

8R2 $189,020.54

Client Address:

UMC Inc. 794 E. Los Angeles Ave. Simi Valley, CA 93065

CCN# Date: Project Name: Project Number: Page Number:

I hereby accepl this quotation and authorize the contractor to complete tl'le above described worl<.

BR2 4/5/2021 DCTWRP Tillman 20104 3

_ A.1!'l:m!w1 111 •1 8724 Millergro,·e Or <® San la Fe Springs. CA 90670

Phone - (562)9+1·2356 ALARM & FIRE, INC. y~

CSLB# 750871 C/\ I ACOll 7879 / OIR# IOOOOl l 255

WWW .ADVANCEDALARMANDFIREINC.COM 181::\\ Locu l Signarory

OFFER OF PROPOSAL PROeOSAl SUBWI 1 EO TO PROJ-E\,;T NA•.,E • Chanso Ofder .; CATE

United Mechanical Contractors Donald C Tillman Water Reclamation Plant (Duct Detectors) 4/6/2021

... DDRESS: f'ROJEC1 LOCATION OF•IE.R EXPIRl:S

794 E. Los Angeles Ave. 6100 Woodley Ave, Van Nuys, CA 91406 30 DAYS

CITY. STATE ZIP PHONE• BIO •

Simi Valley, California 93065 (805) 558-4213 KF21 -80

ATTENTIO~ Err~l Ad-;ress AA&f OFFER MADE SY

Jeremy Yablan 1eremjl@umcontractors.com Kelly Ferris

Advanced Alarm & Fire hereby submits specifications and estimates for the items listed below

Scope of Work: After the installation of (43) New Air Handlers, the Mechanical Inspector requested Duct Detectors to be installed for the fan shutdown and tied into the BMS. This quote covers the cost to supply the duct detectors with sample tubes, and remote test key switches. This quote also covers the wiring between the duct detectors, remote test key switch and control box. This quote also covers the control wiring in between the controllers.

Equipment: 40 • D4120 Duct Detectors 3 - D4120W Weather Proof Duct Detectors 43 - Sample Tubes 43 - Remote Test Key Switches Lot - Wire Lot - Testing

INCLUSIONS EXCLUSIONS 1. Labor normal workinQ hours 1. Off hour labor 2. Materials as needed. 2. Addiiional equipment not listed above. 3. 3. Lifts, Conduit & Boxes 4. 4. Certification of the svstem 5. 5. Patching & Painting 6. 6. Plan Check & Inspection Fees WE PROPOSE t'EREBY TO F1JR"SH '.IATERJ ... L & t..ABOR. COIA?\.ETE IN ACCOROANCE WITH THE ABOVE SPECIFICATIONS FOR THE SUM Of

$62,000.00 PAYMENT TOBEMADE N;THE WORKAAOOnESSESTO THEVALUEOF 100 O/o (PERCENT Of Alt WORK COMPLETE ANO

MATERIALONJ085'TE THE ENTIRE AMOUNT OF TJoiE CONTAAC- TOBE PAIOWITHIN 30 DAYS AFTERCOMPlETIONOf PROJECT. AUTHORl7 A TIO>I SIGNATURE

ALL M ... TFRIAL IS GU ... RANTEFD TO Bl' AS SPEC!FIFD ALI l'IORK TO SE COMPLFTED IN A WORKMAN LIKE MANNER AllVANCFD Al ARM & FIRE' ACCORDING TO STAND"RD PRACTICFS. ANY Al TfRATI~ OR OFll!ATION FROM TllF AOOVF SPIECIFICATION INVOlll!NO

NAME Kelly Ferris FXTRA COSTS Will BE APPROVED ONI Y UPON WRITTEN ORDERS ANO Will BE C-OME AN EXTRA C>IAAGE OVER & ABOVE THE ESTlt.IA"E. All AG;u:EME'NTS co.r1~GENT UPON STRf><FS ACCIDENTS CR DELAVS BEYOND OUR CONTROL O.VNER

~£_ TO CJ\RRY FIRE. TOR~AOO. !\NO OTHER NECESSARY INSURANCE. OR WORKERS ARE FUU. Y COVERED BY WORKMEN'S COMPENS ... TION INSURANCE. IF P ... YMENT FOR WORK PRO'llDED IN TME PROPOSAL IS NOT PAID WllEN OUE. CUSTOMER

SIGNl•TVRE ~GREES TO PAY All COSTS OF COU.ECTION INClUOING ... no~ers FEES.

THIS OFFER IS NO LONGER VALID AS THE "OFFER EXPIRES" DATE ABOVE TITlE Senior Sales Manager

ACCEPTANCE OF OFFER PROPOSAL - INCLUDING TERMS & CONDITIONS THE ABOVE PRICES. SPECIFICATIONS ANO TERMS & CONDITIONS ARE SATISFACTORY AUD ARE HEREBY ACCEPTED PER MY SIGNATURE BELOW. ADVANCED Al.ARM & FIRE

IS NOW AUTHORIZED TO DO THE WORK AS SPECIFIED PAYMENT VllLL BE MADE AS OUTLINED ABOVE

SIG~AH .. RE OF ACCEPTANCE PRl 'ITITYPE NAME

DATE Of ACCEPT ... ~CC SIGW.TURE TITLE

Change Order Request

Project Name: 20001 I DONALD C TILLMAN WRP ADMIN BLDG

C.O.R. # 20001 ·0005

G.C. #

Date: 3/30/2021

Project#: 20001

To: UNITED MECHANICAL CONTRACTORS, INC. From: Best Contracting Services, Inc.

Attn: 794 E. Los Angeles Ave

Simi Valley, CA 93065

Greg Davis

19027 S. Hamilton Ave. Gardena, CA 90248-4408

Phone: (805) 583-1010 Fax: (805) 582-1126 Phone: (31 0) 328-6969 Fax: (310) 380-6066

We hereby propose to make the following changes:

Furnish and install a Trernco Alpha Guard System at three new conduits per the specifications of the upper roof.

Change Order Price

This price is good for 15 days. If conditions change, this price is void.

We are requesting a time extension of 1 days in conjunction with this change.

Greg Davis

Author

D Accepted

Authorized Signature

3/30/2021

Date Sent

The above prices and specifications of this Change Order request are satisfactory and are hereby accepted. All work to be performed under same terms and conditions as specified in original contract unless otherwise specified.

Date of Acceptance

$1,241.81

Page 1 of 2

Change Order Request

Contracting Services -e .S-,o.. • l'iCllOl'CIMlll> ... ov -

-<>c1oq e.n"..-llng In the Bul\d\l\9

Project Name: 20001 I DONALD C TILLMAN WRP ADMIN BLDG

Labor

Labor Type Man Hrsl illi!:I Burden I Roofer Journeyman 8.00 $80.23 $0.00

Materials

Materials quantity

Alphagard Bio top coat I kit 1.00

C.O.R. # 20001·0005

G.C. #

Date: 313012021

Project#: 20001

Fringe I TotalTaxl

S0.00 $0.00

Sub Total SO.OD

Grand Total SO.OD

£2fil Total Tax

$400.00 538.00

Sub Total S38.00

Grand Total $38.00

Total

Overhead Profit Total

Total Labor

$641.84

S641.84

S641 .84

Total Materials

5438.00

$438.00

$438.00

$1,079.84 $107.98

$53.99 $1 ,241 .81

Page 2 of 2