STATEMENT_OF_SERVICE.pdf

INSPECT TANKS PROJECT NO. 7335100

AIR STATION HOUSTON, TEXAS

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SCOPE OF SERVICES

INSPECT TANKS

PART 1 GENERAL

1.1 GENERAL DESCRIPTION

The work includes furnishing all labor, tools, equipment and materials for five (5) tank inspections and recommendations to include interiors, exteriors, and appurtenances at the U.S. Coast Guard Air Station Houston, Texas. Inspect and provide recommendations of two steel 275-gallon diesel fuel tanks serving fire-water pumps. Inspect and provide recommendations of two fire-water AST tanks (Above ground storage tanks) which are approximately 29 feet in diameter and 29 feet high. The two fire-water tanks shall be emptied and refilled, one at a time, by service contractor prior to inspection of interior. Inspect and provide recommendations of one underground (UG) concrete deluge tank which is approximately 40’ by 44’ by 12.5’ high. The underground deluge tank shall be emptied by service contractor prior to inspection of interior. The two fire water tanks and UG deluge tanks require a complete cleaning with potable water, removal of debris and residue. The two fire water tanks and UG deluge tanks require NFPA 22 (2013) and NFPA 25 Chapter 9 (2014), Texas Administrative Code, and Texas Water Code inspections and recommendation for repairs.

Inspection shall include all daily, weekly, monthly, quarterly, semi-annual, annual, 3-year, and 5-year inspections as recommended by NFPA and API-653. The repairs shall be under a separate contract and is not included in this contract. The Contractor and tank inspectors shall be licensed inspector registered in the state of Texas for respective tank inspections for fuel and water. Inspector shall have passed STI (Steel Tank Institute) SP001 AST Inspector Training Course and be a ANSI/API 653 Certified Inspector. USCG has no knowledge of any interior inspections since construction of the tanks. Prepare and submit three written reports and one disk with electronic media in pdf format: two written reports with electronic media to USCG Contracting Officer in Miami, Florida and one written report to engineer at Air Station Houston, Texas. Report for each of five tanks shall be formatted in the following manner:

Tank Inspection Reports

a. Introduction Tank Summary Dimensions, Capacity, and applicable Codes (AWWA D103, AWWA D100, API- 653, API-570, API-510 & NACE, NFPA 22 NFPA 25)

b. Inspector current qualifications and business licenses

c. Laboratory qualifications (for heavy metal and paint chip analysis etc). Positive result of heavy metals

(arsenic, barium, cadmium, chromium, lead, selenium, silver, mercury). Laboratory NVLAP or NELAP certification

d. Background inspection and results narrative to include interior (cross-hatch test, dry film thickness, wet-sponge test, and vacuum box test) and exterior

e. Inspection of interior exterior appurtenances and foundations

f. Remaining life estimate Ultrasonic Thickness Measurements of each ring and remaining life of shell, tank roof, and tank bottom.

g. Recommendations for repairs and / or replacement and estimates

h. Final report with photographs signed by a licensed inspector

1.2 GENERAL DESCRIPTION OF SERVICE WORK

The service is to inspect existing tank conditions, materials, equipment, valves, paint, coatings, integrity, and identify repairs. The three fire water /deluge tanks shall be emptied and cleaned by contractor prior to inspection.

Contractor shall provide certification of inspectors for USCG approval prior to inspection. Service work consisting but not limited to the following:

A. Fire Water Tanks (AST)

a) Review attached design drawings and provide a ANSI/API 653 Inspection & liner Inspection.

b) Coordinate with facility engineer to empty tanks. Empty tanks.

c) Empty tank of water, and thoroughly clean interior (brush or pressure wash, and rinse with clean water), and empty residue & sediment at bottom for thorough inspection.

d) Inspect and evaluate tank and provide photographs.

e) Test and evaluate interior lining and exterior surface and paint chip samples with positive laboratory analysis and result of heavy metals(arsenic, barium, cadmium, chromium, lead, selenium, silver, mercury)

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f) Perform testing of interior coating (cross-hatch test, dry film thickness, wet-sponge test, and vacuum box test) and inspection of exterior coating

g) Test and evaluate ultrasonic thickness measurements of bottom shell course ring, corrosion rate, and remaining life of shell, tank roof, and tank bottom. Provide magnetic flux test of floor.

h) Inspect interior, welds, and appurtenances to include as a minimum OSY valves, Fill valve Fill level indicator vent screen manways, rails, ladders, corrosion protection

i) Inspect foundation and structural integrity.

j) Provide analysis, recommendations, and estimates

B. Underground Concrete Deluge Tank

a) Review attached design drawings and determine industry standard.

b) Coordinate with City of Houston Department of Public Works and Engineering facility engineer to empty tanks. Provide city with current water chemistry analysis by a certified Texas laboratory.

c) Pay required fees to City of Houston Fiscal services 611 Walker 24th Floor Houston Texas 77002-

4903 phone 832-395-5800

d) Provide a temporary pump with electrical disconnect and hose and electrical service from existing pump control panel. Empty tank at approximately 20 gpm of water as times directed by City of Houston Department of Public Works,[based on ID dimensions of 40’ x 44’ by 12.5’, tank has approximately 165,000 gallon capacity; say 140 hours]

e) Thoroughly clean interior (brush or pressure wash, and rinse with clean water), and empty residue & sediment at bottom for thorough inspection.[Note service company must be on the “List of Permitted Service Companies by Company Name” approved by the City of Houston, Houston Health Department, Consumer Health, FOG Program Phone 832.393.5740]

f) Inspect Tank and provide photographs

g) Inspect interior walls, roof, and floor for cracks and exposed rebar. Provide dimensions, length and depth of cracks for repair estimate.

h) Inspect columns, foundation, and roof slab.

i) Inspect interior and appurtenances to include as a minimum ladder and access hatch.

j) Inspect foundation and structural integrity.

k) Inspect waterproofing and liner.

l) Provide analysis, recommendations, and estimates.

C. Diesel Fuel Tanks(approximately 275 gallons each)

a) Determine applicable code and provide a ANSI/API 653 Inspection.

b) Inspect Tank and provide photographs.

c) Perform integrity test.

d) Inspect and evaluate interior and exterior surface and paint chip samples with positive laboratory analysis and result of heavy metals(arsenic, barium, cadmium, chromium, lead, selenium, silver, mercury)

e) Inspect and evaluate testing of interior coating (cross-hatch test, dry film thickness, wet-sponge test, and vacuum box test) and inspection of exterior coating.

f) Provide ultrasonic thickness measurements of each tank and remaining life of tank.

g) Inspect interior and appurtenances to include as a minimum valves, fill valve, corrosion protection

h) Provide analysis, recommendations, and estimates

D. The above list is not an all-inclusive list of all service work.

1.3 SERVICE PERFORMANCE TIME

After work begins at the site, the Contractor shall work continuously during normal working hours and show daily progress until all work is complete. The total contract performance period shall be 42 calendar days.

1.4 LOCATION AND INSPECTION PRIOR TO QUOTE

The work scheduled is located at and prospective bidders are encouraged to visit the site to familiarize themselves with the existing conditions. Arrangements for visiting the site may be made by contacting the Station:

USCG AIR STATION HOUSTON

1178 Ellington Field Houston, Texas 77034-5569

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SITE POINT OF CONTACT (POC)

FACILITY ENGINEER (FE) LT MATTHEWS

U.S. Coast Guard Air Station Houston 1178 Ellington Field Houston, Texas 77034-5569

TEL: (713) 578.3060

E-Mail: george.r.matthews@uscg.mil

ALTERNATE:

Mr. Saul Estupinian (713) 578-3062 E-Mail: saul.a.estupinian@uscg.mil

Project Manager in Miami CEU Miami ATTN: Thomas Weckel 15608 SW 117th Ave Miami, Florida 33177 E-Mail: thomas.e.weckel@uscg.mil

1.5 REFERENCE DRAWINGS ACCOMPANYING SCOPE OF SERVICE

Reference drawings to be used with these specifications shall consist of U.S. Coast Guard Drawing No. M2180- INSP consisting of three (3) drawing sheets and six reference drawings (9 total drawing sheets). Drawings and photographs are the property of the Government, and shall not be used for any purpose other than that contemplated by the specification.

1.6 WORK HOUR

The Contractor shall perform the work at the site from Monday through Friday from 7:00 AM to 4:00 PM, except federal holidays. The Contractor shall coordinate working hours with the Station POC (above) prior to commencing work.

1.7 AVAILABILITY OF UTILITY SERVICES

Reasonable amounts of the electricity and potable water utilities will be made available to the Contractor without charge.

1.8 UTILITY OUTAGES

Do not interrupt utilities until authorized by the Facility Engineer

1.9 WORK COORDINATION

The buildings will be occupied and operational during the execution of this contract. The Contractor shall closely coordinate all work with the facility engineer (FE) order to reduce to a minimum disturbance to personnel and operations.

1.10 CONTRACTOR USE OF PREMISES

The Contractor will be working on a Coast Guard operational military installation. Become familiar with and obey station fire, traffic, and security regulations. Personnel shall not stray from the immediate area of work nor direct avenues of ingress and egress unless authorized in advance by the FE.

1.11 SAFETY

The Contractor shall perform the work in accordance with Federal, state, and OSHA (Occupational Safety & Health Administration) requirements to include confined space. Contractor shall fully comply with 29 CFR 1910.

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1.12 SECURITY

The Contractor shall provide the FE with a list of names of all personnel who will be working on the site 72 hours in advance. The Contractor may submit a revised list at any time during the project. Only personnel on the approved listing will be allowed on the site. All personnel shall carry proper identification (ID) when on site.

Proper ID is defined as either the individuals drivers license, or a US government issued ID. The identification must be laminated, and show facial picture of the individual. Individuals without proper ID will be escorted off the Coast Guard premises

2.1 PHOTOGRAPHS

Photographs are to assist the contractor, but do NOT depict the scope of work. Photographs were taken prior to construction; but may not depict current conditions.

AIR STATION FIRE WATER TANKS

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AIR STATION FIRE WATER TANKS

UNDERGROUND CONCRETE DELUGE TANK ENTRY WITH INOPERATIVE CONTROL PANEL AND

INOPERATIVE PUMP

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UNDERGROUND CONCRETE DELUGE TANK ENTRY

275 GALLON DIESEL TANK SERVING FIRE PUMPS (TYPICAL OF TWO)

3.1 EXECUTION

Not used.

ATTACHMENTS:

Drawing # M2180-INSP: G-01 Cover Sheet & C-01, C-02 (Three drawing sheets) Drawing number 08-04-79 dated 7-1987 as-built sheets C-2, C-3, C-10, C-11, C-18, & P-5.

LAB ANALYSIS of Underground Holding Tank date collected 01/29/15 (pages 01-9) City of Houston Letter Dated March 17, 2015.

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