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/!Jo /( f Airport Improvements Santa Monica Airport 

Santa Monica, California 

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AlP Project No. 3-06-0239-06 (II) 

l DEPARTMENT OF ENVIRONMENTAL & PUBLIC WORKS MANAGEMENT 

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CIVIL l:::NGiNCERING & ARCHITECTURE DIVISION 

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I~TRODUCTION 

This final report summarizes construction accomplished at the Santa Monica Airport under 

the AIP Project No. 3-06-0239-06 (II}. The work covered by this report was completed 

under one contract. The contract included the following work: 

• Tie-down Area Slurry Scaling 

• Tie-down Area Paving 

• Aircran Tie-down Construction 

• Tie-down and Taxiway Striping 

• Blast Wall Construction 

PROJECT I'ERSONNEL 

City of Santa Monica 

Federal Aviation Administrution 

Constntction Manager 

Contractor 

PROJECT TIMING 

Bid Opening 

Project Award 

Pre-construction M-eeting 

Work Started (Construction) 

Bob Trimborn, Airport Manager 

Antonio Shaibani, Project Engineer- Design 

Allan Sheth, Project Engineer- Construction 

Ruben Cabalbag, Project Engineer 

I Iy-com and Associates, Inc. 

Kayvan Hazrati, Construction Manager 

Keith Wardlow, Inspector 

Clarke Contracting Corporation 

M<Jtthew Clark, Project Manager 

Chris Ochoa, Project Superintendent 

July 30 and August 3, 2000 

June 24, 200 I 

Work Substantially Complete (Construction) 

Final Inspection 

August 16, 2001 

September 24, 200 J 

February 20, 2002 

March 27, 2002 
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the construction. and the other to Hy-com & Associates for construction 

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details of those change orders are summarized below. Copies of the executed change 

orders and Final Payn1cnt are presented in Appendix A. 

Construction Contract Change Order No. 1 

Construction Contract Change Order ;..Jo. I ~s issued at the end of the project to adjust] 

the contract to reflect actual quantities measured in the field, and revise the scope of work 

aSI1Cc~ssil.'ated by the projcci. Speci!ically. thCfOflOWing changes were ordered: - _, 

1. Drill additional 6' depth for each blast wall foundation pile to provide total 

embedment of 12' -6'' in native soil. 

2. Repair AC pavement in aircraft service area prior to slurry sealing. 

3. Relocate existing irrigation lines in conflict with blast wall foundation. 

4. Tag and relocate unmarked electrical conduit and inigation control wires exposed 

during drilling for blast wall foundation. 

5. Revise survey and layollt of tic-down spaces and taxiway in South Apron area. 

6. Fill abandoned tie-down PVC caps with concrete to provide level surface for shnl)' 

seal application. 

7. Increase width of blast wall foundation from 7' to 7' -6 .. to accommodate location 

of a11chor bolts for prefabricated blast wall <md concrete wall. 

8. Remove existing ta-xiway striping in conflict with new taxiway striping using wet 

sandblasting method . 

9. lnstallll additional tie-downs in concrete area on south side ofnmway. 

10. Install tic~down stall numbers as requested by Airport Manager. 

11. Repair electrical conduit and inigation control wires damaged during drilling of 

blast wall foundation. 

12. Install additional striping for hclipad. 
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b. Reduce the quantity of Bid Item 3, Asphalt Slun

y Seal 

c. Delete Bid hem 4, Asphalt Slurry Seal (Fuel Resistant) 

d. Increase the quantity of Bid Item 5, Asphalt Rubber Hot Mix 

c. Increase the quantity of Bid Item 8. Tie-down Anchors 

16. Adjust asphalt quantities and cost to balance contract 

The reasons for the changes ordered are as fOllows: 

l. The additional dtilling depth was required to achieve the required embedment 

depth of 12'-6'' in native soil as shown on the plans. The additional drilling depth 

in native soil was dctctmincd by the geotechnical inspector based on the logs and 

observation of the drilling operation. 

2. The AC pavement in the aircraft service area was low in some spots and needed to 

be repaired to provide a smooth grade transition prior to applicatio11 of slurry seal. 

3. The iJTigation lines were located where the foundation of the blast wall would be 

constructed and had to be relocated. 

4. The drilling of the foundation piles had to be stopped while the conduit and electric 

wires were identified and tagged for ruturc repair. 

5. The location of aircraft tie-downs next to the hangars on the soLtth apron shown on 

the plan did not match field dimensions and bad to be revised. 

6. 14 tie-downs needed to be relocated because of taxiway clearance requirements, 

which were not identified before the tic-downs were installed. The abandoned tic~ 

down cups had to be filled to provide a smooth surface for application of slurry 

seal. 

7. The ·width of the foundation as shown on the plan did not provide room for the 

anchor bolts and the concrete wall. 

8. The existing ta-xiway striping in the south tie-down area was in conflict with the 

new tie-down layout and taxiway striping. The conflicting striping was removed 

using a wet sandblasting method. 
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authori£ed this additional work. 

II. The irrigation controller conduit and wiring was not marked in the field or shown 

on the plans. They were damaged during the drilling operation and needed to be 

repaired. 

12. Additional striping was necessary to provide aircraft access to some of the newly 

installed aircraft stalls, and to the Helipad area, which was added 

to the slurry seal work. 

13. Airport management elected to provide the chains and hooks. The 

Contractor was requested to provide a credit for this deleted requirement. 

14, ARHM is not suitable for application in layers of 1" or less. Part of the pavement 

rehabilitation involved complete reconstruction or new constntction of the full 

asphalt pavement section. Both applications were better suited to conventional 

asphalt installation. The Contractor was requested to pro\·idc a credit for switching 

to conventional asphalt. 

15. The <:1djustmcnts to bid items reflect the change between bid quantities and actual 

material quantities measured in the field and necessitated by the project 

16. ARHM cost adjustment was to balance the contract The atljustcd cost was included 

under a separate paving contract. 

This change order increased the construction contract amount by S 100.684.70 of which 

524,503.70 was charged to offsite work due to the limited contingency amount. 

Construction Management Contract Change Order No. 1 

Construction Management Contract Change Order No. 1 was issued to provide additional 

inspection, constmction management, and coordination services associated with increase in 

scope and design modifications to the construction contract. Specifically, the following 

changes were ordered: 

1. Pro\·idc additional inspection, construction management, and coordination services 

associated with increase in scope and with necessary design modifications to the 

construction contract 
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SuMMARY OF CONTRACT ITD'IS 

This project \vas accomplished under a unit price contract with pay quantities measured in 

the field. As a result, ''As-Built" quantities usually vary fmm the Engineer's Estimate of 

bid quantities. A sLlll1tnUry of the !ina\ contract quantities is presented in Appendix B. 

l'RO.lcCT COSTS 

The final construction ammmt was 5754.024.88 as detailed below: 

Construction Item 

Original Construction Contract 

Construction Contract Change Order No. I 

Original Constltlction Management Contract 

Constmction Management Contract Change Order No. 1 

Blast Testing (by Blasi DcOcclors Int.:.) 

Geotechnical Testing. Obscrvati<m and Dc]Hlly Inspection (by Klcinfo:!dcr) 

Permit Fees 

Final Construction Amount 

FAA Share 

City Share 

Amount 

--· $573,819.00 

$100.684.70 

SSO,OOO.OO 

ss,ooo.oo 

s 3.640.00 

$19,552.75 

s 1.328.43 

$754,024.88 

$658,593.00 

$95,431.88 

Copies of the executed change orders and final payments are presented in Appendix A. 

Copies of the purchase order and invoice from Blast DeOcctor. Inc. for blast testing arc 

presented in Appendix C. Copies of the purchase orders and invoices from Kleinfelder for 

geotechnical testing, observation, and deputy inspection arc prcscmed in Appendix D. 

Copies of the penn its are presented in Appendix E. 

FIELD .~ND LABORATORY TEST RES\:LTS 

Field observation and testing included geotechnical observation of the drilling operation 

deputy structural inspection of the placement of steel reinforcement and concrete for the 

blast wall fOundation, and concrete cylinder compressive strength testing. 
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attendance were representatives of the Contractor (Clarke Contmcting Corporation), 

Airport Management, the Construction :Vlanager {Hy-com & Associates), and the City's 

Engineering Division. At the conclusion of the final inspection and job walk, all work was 

accepted as complete by the City. A copy of the ~oticc of Completion is presented in 

Appendix G . 

The Engineer certifies that all items of work conform to the plans and specifications and 

have been completed. All cost cl<1imcd for reimbursement were eligible for Federal 

participation as appropriate. Certified payrolls were checked by the Construction Manager, 

Hy-com & Associates, and arc in confonnance with specified wage rates. The Sponsor 

Certification for construction project final acceptance is included in Appendix H. 

RECOxlMENDATIOi\S 

The Engineer makes the following recommendations for routine inspection and 

maintenance at the airport: 

I. Initiate an inspection program at the Airp011 to monitor pavement conditions. Any 

damage or defects, which show up, should be promptly repaired. 

2. Implement a weed suppression and abatement program in the aircraft tie.down 

areas. 

3. Develop a GIS to manage aircraft tic-down leases and co-ordinate temporary 

relocations during constmction projects as necessary . 

4. Monitor surface drainage around the blast wall fot1ndation lo identify and correct 

potential problems. 

Submitted By: 

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Bill Zein., P.E. 

Principal Engineer- Construction Management Group 

City of Santa :vtonica 
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Appendix I- Sponsor Certification 
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INTRODUCTION 

This final report summarizes construction accomplished at Santa Monica Airport under the 

AlP Project No. 3-06-0239-06. The work covered by this report was completed under one 

construction contract. The contract included the following work: 

• Taxiway/Apron Rcconstn1ction and Sealcoat 

G Airfield signing and Lighting Improvements 

e Fencing and Gate 

Projects also included in the AIP-06 Grant, but not constructed under this contract, 

include: 

e Access Road Construction 

e Noise Wall Construction 

• Aircraft Run up Enclosure 

This work wit! be performed under future construction contracts. 

PROJECT PERSONNEL 

City of Santa Manka 

Federal Aviation Administration 

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Bob T1imborn, Airport l\•lanager 

Bill Zein, Project Engineer 

Ruben Cabalbag, Project Engineer 
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Contractor 

PROJECT TIMING 

Bid Opening 

Preconslruction Conference 

Work Sl<1rt<"d (Construction) 

Work StJbstantially Completed (Construction) 

Final In:;pcct:ori 

Griffitll Company, Inc. 

Dan McGrew, Project Manager 

October 2, 1995 

February 5, 1996 

March 6, 1996 

June 11, 1996 

August 23, 1996 

I ( The project wns completed within the specified time period subject to approved change orders. No Jiquidatcd damages were applied. I 

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CONTRACT CHANGE ORDERS 

Three contract change orders were issued during construction of the project. 'I11e change 

orders are detailed below, and copies of the executed change orders are preseilted in Appendix A All change orders were approved by the FAA, when applicable, prior to issua nee. 

C01ltract Change Or·der No. I 

Contract Change Order No.1 replaced all Type II asphalt (standard FAt\ P-401 material) 

specified in the project to Type I asphalt concrete (P-40] without penalty). 1l1e 

reasons were given for making this change: 

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