1. MW Construction Services, Inc.
MARK R. WILLIAMS
Encinitas, Ca 92024
858-999-4769
mwilliams92007@gmail.com
SUMMARY:
Mr. Williams has 20 years of professional experience in cost estimating, project management, and
constructability review work for numerous types of projects, including, but not limited to: construction of large
diameter pipelines, emergency work on large diameter pipelines during shutdown conditions, encasement of
live water transmission aqueducts, rehabilitation of large diameter PCCP pipelines by installing steel liners
(relining), pump stations, sewer lift stations, metering vaults, tunnels, jack & bore, storm drain projects, sanitary
sewer projects, and transportation corridor projects. Mr. Williams is experienced at estimating heavy civil
construction work utilizing both Hard Dollar and HCSS software and is knowledgeable with Primavera project
scheduling. Mr. Williams excels in his ability to perform constructability reviews of pipeline projects and identify
sources of risk that may lead to potential cost overruns.
YEARS OF EXPERIENCE: 20 Years
WORK HISTORY & PROJECT EXPERIENCE:
2011-PRESENT MW CONSTRUCTION SERVICES, INC.,
Position: PRESIDENT
Construction Cost Estimating, Constructability Reviews, and Project Management
 Pipeline 3 Relining, Lake Murray to Sweetwater Reservoir, San Diego, CA
San Diego County Water Authority / Butier Engineering: Cost Estimate and
Constructability Review for: Installation of approx. 22,800 lf of 63” and 66” welded steel
liners inside an existing 66” and 69” pre-stressed concrete water pipeline, including 18
access portals. Contract Value: $38,000,000 to $42,000,000, Project Dates: 8/17 –
5/19.
 Pipeline 4 Relining, Lake Murray to Alvarado Treatment Facility, San Diego, CA
San Diego County Water Authority / Butier Engineering: Cost Estimate and
Constructability Review for: Installation of approx. 5,400 lf of 69” welded steel liners
inside an existing 72” welded steel water pipeline, including 2 access portals. Contract
Value: $7,000,000 to $8,500,000, Project Dates: 11/16 – 5/17.
 Nob Hill Improvements Project, San Diego, CA
San Diego County Water Authority / Butier Engineering: Construction Manager and
Constructability/Cost Estimate Review for: Construction of approximately 1,000 lf of 96”
and 72” welded steel pipeline in both open cut, and drill & blast tunnel, under shutdown
conditions. Contract Value: $10,000,000, Project Dates: 10/15 – 5/17.
 Santa Ana River Enhanced Recharge Phase 1A Project, Highland, CA
San Bernardino Valley Municipal Water District / Butier Engineering: Cost Estimate,
Project Schedule, and Constructability Review for: Construction of new sedimentation
basin facilities, 2,000 lf of 96” welded steel pipeline, 1,300 lf of 78” welded steel pipeline,
78” valve vault, connections, appurtenances, fiber optic, and electrical improvements.
Portions of the work occurring under shutdown conditions. Contract Value: $10,000,000
to $15,000,000, Project Dates: 8/16 – 1/18.

2.  Miramar Pump Station Rehabilitation Project, San Diego, CA
San Diego County Water Authority / Butier Engineering: Construction Manager and Cost
Estimate for: Rehabilitation of the existing Miramar Pump Station including all valves,
piping, pump trains, electrical, instrumentation, and structural modifications to the
existing structure. All work occurring under shutdown conditions. Contract Value:
$5,000,000, Project Dates: 12/15 – 12/16.
 Ramona Pipeline Pumpwell, Escondido, CA
San Diego County Water Authority / Butier Engineering: Cost Estimate for: Installation of
a new pumpwell facility in the existing 36” CCP Ramona Pipeline. Contract Value:
$500,000, Project Dates: 11/15 – 5/16.
 Pipeline 3 Desal Relining, San Marcos to Twin Oaks, San Marcos CA
San Diego County Water Authority / Butier Engineering: Construction Manager for:
Installation of approx. 26,700 lf of 69” and 67.75” welded steel liners inside an existing
75” and 72” welded steel water pipeline, including 15 access portals. Contract Value:
$25,270,000, Project Dates: 11/13 – 6/15.
 Ramona Pipeline Pumpwell, Escondido, CA
San Diego County Water Authority / Butier Engineering: Constructability Review for:
Installation of a new pumpwell facility in the existing 36” CCP Ramona Pipeline.
Contract Value: $500,000, Project Dates: TBD.
 Pipelines 3, 4, & 5 Relining at the San Luis Rey River, San Diego County, CA
San Diego County Water Authority: Constructability Review for: Installation of approx.
259 lf of 72”, 3,276 lf of 86”, and 252 lf of 92” welded steel liners inside existing pre-
stressed concrete cylinder pipeline (PCCP), including 3 access portals. Contract Value:
$9,750,000, Project Dates: 9/14 – 4/15.
 Pipeline 3 Relining, Sweetwater to lower Otay, Chula Vista, CA
San Diego County Water Authority: Constructability Review for: Installation of approx.
28,400 lf of 66” welded steel liners inside an existing 69” pre-stressed concrete cylinder
pipeline (PCCP), including 17 access portals. Contract Value: $25,387,000, Project
Dates: 8/13 – 2/14.
 Pipeline 4 Relining, SR 52 to Lake Murray, San Diego, CA
San Diego County Water Authority: Construction Manager for: Installation of approx.
19,000 lf of 66” and 69” welded steel liners inside an existing 69” and 72” pre-stressed
concrete cylinder pipeline (PCCP), including 14 access portals. Contract Value:
$21,190,000, Project Dates: 6/12 – 5/13.
 San Marcos Vent Desal Modifications, San Marcos CA
San Diego County Water Authority: Cost Estimate for: Construction of a cast-in-place
vault, interconnect facility, and interconnect valves and piping. Contract Value:
$3,590,000, Project Dates: 5/13 – 5/14.
 San Vicente Marina and Bypass Pipeline, Lakeside CA
San Diego County Water Authority: Cost Estimate for: Construction of a new marina
including boat ramp and all facilities, Installation of 1,880Lf of 48” RCPP Bypass
Pipeline. Contract Value: $22,882,000, Project Dates: 11/13 – 2/15.

3. 2002 – 2011 L.H. WOODS & SONS INC., Vista California
Position: PROJECT MANAGER / CHIEF ESTIMATOR
 San Bernardino Water Supply Line Washington Street 48” Transmission Main
Replacement, Colton CA
City of Riverside: Installation of approx. 5,310 lf of 48” welded steel pipe, construction of
913 lf of pipeline by bore & jack, and 5 receiving pits. Contract Value: $3,240,444,
Project Dates: 9/10 – 8/11.
 Batiquitos Sanitary Sewer Force Main Repair in Carlsbad, CA
Leucadia Waste Water District: R&R of 3 existing sewer force main sections consisting
of approximately 1,296 lf of 14” sewer force main and 1,296 lf of 24” sewer force main,
pumping units, variable frequency drives, masonry building, electrical and
instrumentation, flow meter, concrete vault, site piping and appurtenances. Contract
Value: $1,094,444, Project Dates: 11/10-6/11.
 Vail Lake Transmission Main and Pump Station in Temecula, California
Rancho California Water District: Installation of approx. 14,000 lf of 48" CML&C pipe
including, valves, 36" and 24" flow meters, concrete vaults, corrosion protection test
stations, air vacuum/air release assemblies, blow-off assemblies, pump stations,
concrete vault, site piping, electrical, instrumentation, and appurtenances. Contract
Value: $8,386,971, Project Dates: 12/09-11/10
 Val Vista Water Transmission Main CMAR Replacement/Rehabilitation in Phoenix, AZ
City of Phoenix, Kiewit Western Company: Installation of 3,500 lf of 69-inch steel liner.
The work includes welding, grouting the annular space and cement mortar lining of the
new liner pipe. In addition to the lining work 40 lf of portal will be installed. Contract
Value: $1,239,511, Project Dates: 2/10-3/10.
 Pipeline 4 Urgent Relining Under San Diego River in San Diego, California
San Diego County Water Authority: Relining on 1,173 lf of 68” WSP inside of existing 72”
PCCP. Contract Value: $1,077,777, Project Dates: 2/09-4/09
 Val Vista Water Transmission Main CMAR Replacement/Rehabilitation in Phoenix, AZ
City of Phoenix, Kiewit Western Company: Installing 18,361 lf of 69", 87" and 92" steel
liner and closure pipe. This includes welding, grouting of the annular space and cement
mortar lining. Contract Value: $18,672,544, Project Dates: 10/08-4/09
 Pipeline 3, SR 52 to Lake Murray Relining in San Diego, California
San Diego County Water Authority: 5,800 LF of 66” WSP inside of existing 69” PCCP;
11,480 lf of 63” WSP inside of existing 66” PCCP. Contract Value: $19,999,999, Project
Dates: 5/08-5/09
 Pipeline 4 Emergency Repair at San Diego River in San Diego, California
San Diego County Water Authority: Remove/Replace damaged pipe of Pipeline 4.
Contract Value: $569,004, Project Dates: 10/08-11/08
 Pipelines 3, 4, & 4A Relining (I-15 Widening) in San Diego, California
San Diego County Water Authority: Design/Build of 2,321 lf of 67” PCCP. Contract
Value: $8,260,054, Project Dates: 11/07-9/08
 Twin Oaks WTP in San Marcos, California
San Diego County Water Authority: 800 lf of 90” CML&C steel pipe including a tie-in to
an existing 108” CML&C steel pipe. Contract Value: $984,618, Project Dates: 11/06-
12/06

4.  Otay W6/W7 Replacement in Otay, California
Otay River Constructors: Remove 1,100 lf of 54” and 42” SCRW pipe and replace with
CML&C welded steel pipe. Contract Value: $2,139,988, Project Dates: 10/06-6/07
 Jackson Drive Crossover Emergency Connection in San Diego, California
San Diego County Water Authority: Remove existing 69” and 84” PCCP and replace with
a CML&C welded steel pipe crossover connection. Contract Value: $3,054,119, Project
Dates: 11/06-11/06
 Pipeline 4 Relining, Del Dios to Black Mountain Ranch in San Diego, California
San Diego County Water Authority: Relining of 21,850 lf of existing 96” , 450 lf of 93’ and
100 lf of 92” PCCP with 93” and 92” welded steel pipe. Contract Value: $24,921,000,
Project Dates: 6/05-5/06
 Otay SR125 Encasements in Otay River, California
Otay River Constructors: 2,000 lf of live 66” & 72” aqueduct encasement. Contract
Value: $4,498,462, Project Dates: 3/06-8/07
 Pipeline 4 Relining, Black Mountain Ranch to Black Mountain Vent in San Diego,
California
San Diego County Water Authority: Relining of 5,800 lf of existing 96” PCCP with 93”
welded steel pipe. Contract Value: $7,123,770, Project Dates: 9/05-6/06
 Pomerado Pipeline 4 Relining in San Diego, California
San Diego County Water Authority: Relining of 23,539 lf of 84” welded steel liner pipe.
Contract Value: $21,191,500, Project Dates: 9/04-7/05
 Pipeline ¾ Interconnect in San Diego, California
San Diego County Water Authority: Remove/Replace 260 lf of 84”, 73”, 72”, 69”, 61”
pipe. Contract Value: $1,296,800, Project Dates: 6/04-1/05
 Inland Feeder Highland Pipeline in Highland, California
Metropolitan Water District: 27,890 lf of 144.5” welded steel pipe. Contract Value:
$46,860,000.00, Project Dates: 5/02-5/04
1998 - 2002 T.C. CONTRUCTION CO., San Diego California
Position: ESTIMATOR/PROJECT MANAGER
 Estimated and managed a variety of underground construction projects ranging from
$100,000 to $10,000,000. Projects consisted of sewer, water, and storm drain pipelines
and structures for both public and private agencies/developers. Notable projects include
the Miramar Pipeline for the City of San Diego, the development of Olympic Parkway,
Otay Ranch, and Eastlake Village with Otay Water District, and the 4S Ranch
Development.
1996 - 1998 AGEE CONSTRUCTION CO., Clovis California
Position: PROJECT ENGINEER
 Tracked job costs, CPM scheduling, submittals, RFI’s, purchase orders, change orders,
claims, take-off, estimating. Projects consisted of grading, paving, bridges, and storm
drain for public agencies.

5. 1995 - 1996 W.M. LYLES COMPANY, Fresno California
Position: ESTIMATING ENGINEER
 Take-off for sewer, water and storm drain utilities including concrete structures, pump
stations, and lift stations. Projects consisted of underground utilities for both public and
private agencies.
EDUCATION:
 Bachelor of Science in Construction Management, California State University, Fresno