00_SOW_Repair Roof FAC 3003_2024.pdf

STATEMENT OF WORK

29 November 2023

Project ID: QYZH180005 Project Title: Repair Roof Muns Storage 3003 and 3010 Project Manager: Jason Thomas Facility: 3003, 3010, 3004 (option), 3006 (option) Period of Performance (PoP): 265 Days per Facility Government Furnished Material: None

I. Introduction A. This Scope of Work sets forth the performance requirements for this Delivery Order (DO) to demolish, replace, and repair the roof at the Munitions (MUNS) Storage facility (FAC) 3003, FAC 3010, and optional FACs 3004, and 3006.

B. Four separate Contract Line Items Numbers (CLIN) shall be submitted. CLIN 1 is the base bid. CLIN 2, CLIN 3, and CLIN 4 are bid options. Complete Designs for multiple MUNS storage facilities are attached for reference only, see Paragraph “VI. Attachments” subparagraphs 4., 5., and 6.

1. CLIN 1 – (base bid) Design and all labor, equipment, and materials to Repair Roof Muns Storage FAC 3003 as described in paragraph III. Scope of Work.

2. CLIN 2 - (bid option 1) – Design and all labor, equipment, and materials to Repair Roof Muns Storage FAC 3010 as described in paragraph “III. Scope of Work”. A (2016) Design for this facility is attached for reference only, see Paragraph “VIII. Attachments” subparagraph “5. For Reference Only

– (2016) Design package B3010 – Not constructed.”.

3. CLIN 3 - (bid option 2) – Design and all labor, equipment, and materials to Repair Roof Muns Storage FAC 3004 as described in paragraph “III. Scope of Work”.

4. CLIN 4 - (bid option 3) – Design and all labor, equipment, and materials to Repair Roof Muns Storage FAC 3006 as described in paragraph “III. Scope of Work”.

C. Design shall include all For Construction drawings, design analysis, and specification per United Facilities Criteria (UFC), and Mountain Home Air Force Base (MHAFB), CAD/GIS requirements.

II. Project Overview and Objectives A. FAC 3003 and FAC 3010, FAC 3004, and FAC 3006 have earth covered magazine (ECM) roofs that are capped with a 4-inch thick, Gunite coating. The Gunite coating has failed allowing water to infiltrate the ECM roof.

B. The purpose for this project is to completely remove and dispose of the 4-inch Gunite coating, remove, repair, and replace all ECM roof components, and install a cellular confinement protection system for:

1. CLIN 1 (base bid) - FAC 3003

2. CLIN 2 (bid option 1) - FAC 3010

3. CLIN 3 (bid option 2) - FAC 3004

4. CLIN 4 (bid option 3) - FAC 3006

C. The existing, 4-inch Gunite coating shall be replaced with a cellular confinement system, infilled with a 4-inch thick, clean, uniformly graded, angular, crushed rock infill.

D. The Environmental Specification Section is unique to MHAFB, see the attachment, paragraph VIII.1.

“1_01 57 19 Temporary Environmental Controls_MHAFB Env Spec 20220614”.

1. A Hazardous Waste Toxicology (HAZTOX) survey has not been performed on B3003. Materials testing, waste determination, is required under this DO.

2. If the HAZTOX results are positive, additional work to include abatement and disposal of materials is required. The additional work shall be a modification to this DO. The HAZTOX testing, determination and disposal requirements are attached, see paragraph VIII, subparagraph “1.

Environmental Specification Section”.

E. When demolition has removed Gunite and soil from the ECM roof, and the ECM (igloo) structure is fully exposed, the existing waterproofing system shall be removed and replaced with a new, waterproofing membrane system with a 20-year (yr), no dollar limit (NDL) warranty and 2-yr, qualified installer warranty.

F. Design and construct a new Lightning Protection System (LPS) for the modifications necessary to meet Department of Defense (DoD) requirements and the approval of a certified LPS inspector, AFCEC, 366th CES/CENM. Third party, certified inspection, review, and approval shall be required at the 60%, 90% and Final Design milestones and during the construction phase of the project.

G. The munitions (MUNS) yard has restricted access and additional entry times that apply. No photographs are permitted without the explicit authorization of the Munitions personnel, and a government (GOV) provided escort is mandatory at all times.

H. MUNS operations may require a stop work order for safety. This order will normally occur during or near a lunch hour; however, safety first may demand a stop work order at any time. This order may last approximately 1 hour may occur approximately monthly.

III. Scope of Work

A. Kick off meeting shall mark the Notice to Proceed.

1. The Contractor may address any procedure, timeline and deliverables expected in this DO.

2. Contractor shall provide a D-B Schedule with proposed start and end dates, weekly time references for design milestones, and construction work elements with percentages of entire project.

a) Contractor shall update schedule following changes to schedule prior to resuming work or as approved by the Contracting Officer (KO).

3. Stakeholders may attend the meeting to address questions or concerns about project details.

B. A-E and Design requirements 30%, 60%, 90%, and Final Design (100%).

1. Engineering specifications shall be submitted in “Specsintact”, (see IV. Requirements below.)

a) 30% - Table of Contents.

b) 60% - Table of Contents + Submittal Log + all specifications sections in draft.

c) 90% - Pre-Final Draft.

d) 100% - Final Draft approved pending GOV backcheck.

e) Specsintact “.SEC” files are required for all specification submittals.

2. Design of the LPS requirements include but are not limited to paragraph 4.7 of the AFI32-1065, paragraph 2.6 of the AFMAN32-1065, and UFC 3-575-01, see paragraph VIII. Attachments below. Submitted design packages shall resume to continue to the next milestone upon the review, and approval of the contractor’s certified LPS inspectors, AFCEC, MHAFB 366th CES and at the authorization of the KO.

3. A 3 in thick, cellular confinement system design shall be applicable for the protection of the ECM roofs of FAC 3003 and options FAC 3010, FAC 3004, and FAC 3006.

a) Crushed rock shall be used for the cellular containment system infill material.

b) The crushed rock shall be sizes per the manufacturer’s requirements for a 3-inch cellular confinement system.

c) The infill material shall be a 4-inch thick, to provide a 1 in cover over the 3-inch cellular confinement system, see reference design.

d) The gradation, type, and shape of the infill material is acceptable upon 60-90% Design approval of the 366th CES/CENM.

e) Crushed rock shall consist of a clean, uniformly graded, crushed rock infill.

f) Crushed rock shall have a minimum of three fractured faces.

g) Do not use rock with smooth, nor round surfaces.

h) Do not use grade table in the attached reference specifications.

4. All AutoCAD, .dwg and GIS files shall be submitted for approval per Attachment 2 & 3.

5. Survey guidance of Attachment 2 is not a requirement of this DO.

6. Record drawings and final as built drawings shall document spot elevations every 5 ft. along all grade breaks, and no more than 10 ft. from any other spot elevation.

7. Attachments 4a through 4f are for reference only. Current DoD requirements apply. D-B Design interferences and field fit applications are the responsibility of the D-B contractor, not the GOV.

Changes shall be subject to additional GOV review, inspection, and approval.

8. The review period all Design milestones shall be up to 20 business days except federal holiday.

9. Preconstruction submittals shall be approved prior to the beginning of the construction phase and upon the authorization of the KO.

C. Construction – MUNS building(s) will be vacant of all personnel and munitions prior to construction.

1. Mobilize and stage area per SWPP, dust protection, waste determination, waste management plan, Environmental Protection Plan, and recycle plan per VIII.1. Environmental Specification Section.

2. Security and access to site is restricted and heavily controlled.

a) All personnel are required to be cleared on a preapproved, Entry Authorization List (EAL).

b) Contractor shall submit an EAL a minimum of 2 weeks for approval or disapproval, prior to personnel entering the facility. EAL is separate and in addition to the SF30.

c) The GOV is under no obligation to disclose details for personnel, EAL disapproval.

d) An updated EAL is required for any change to the previous EAL to include personnel, and time changes. Every resubmitted EAL shall require up to 2 weeks minimum for approval or disapproval, prior to personnel entering the facility.

e) Daily access through the MUNS yard main gate, is required. Coordination effort with MUNS facility personnel may require additional time.

f) MUNS personnel shall provide the 100% escort at all times.

3. Multiple facility, and phasing planning

a) Construction on multiple is permitted when coordinated with MUNS and:

i. Contractor work hours are limited to dayshift, regular hours.

ii. Asphalt roadway is cleared at the end of every workday for MUNS personnel and vehicles to access all facilities for the duration of this project - OR,

iii. A temporary access corridor is constructed for MUNS personnel and vehicles to access all facilities for the duration of this project, AND

iv. The temporary access corridor shall have the capacity for vehicle traffic of a semi-tractor/trailer.

b) Munitions may order a stop work for safety up to, not limited to:

i. a duration of 1 to 2 hours.

ii. on an average of once a month.

c) NO auxiliary access and NO “security bubble” fencing shall be permitted on this project.

d) Munitions facility shall accommodate escort/monitoring of all construction personnel and operations at all times.

e) All construction related egress shall be made through the main gate of the Munitions Yard with a 100% escort.

f) No pictures are allowed except for the purposes of the pre-construction survey, inspection, records documentation, and upon the MUNS facility manager’s approval.

4. Construction equipment for, but not limited to, excavation, placement, regular testing, and compaction of ECM materials, shall be carefully evaluated and used to prevent damage to the igloo structure.

5. Demolition of exiting roof - No waste shall leave base until waste determination is accomplished.

a) Disposal of all material for waste determination shall be in accordance with the MHAFB specification section attached. See paragraph VII.1.

b) Demolish, and test for waste determination prior to off base disposal of Gunite material.

c) No material shall leave Mountain Home AFB prior to waste determination.

d) Remove entire ECM soil down to the igloo structure, and top foundation. Retain for reuse, existing soil at a predesignated staging area. Store material to prevent leaching and air borne loss – no spoil piles on asphalt.

e) Removed material from all sides of the igloo structure and prevent damage to the igloo structure.

f) Demolish and dispose of the existing drain system to include, the existing, underground, infiltration gallery, and all items that make up the existing drain systems. Backfill with suitable, compactable materials. Exact location and dimensions of existing drain system shall be located, and field verified by the contractor.

g) Demolish and dispose of ventilator structure. Cut, demolish, and dispose of concrete as required, see attached drawings for ventilator demolition and opening infill details.

h) Protect and retain igloo structure and LPS for certified inspection, see attachments 7a, 7b.

6. Third party inspection for the new LPS is required by a certified inspector per DOD requirements, and any time, and while structure is fully exposed.

a) LPS inspection requirements include, not limited to paragraph 4.7 of the AFI32-1065, paragraph 2.6 of the AFMAN32-1065, and UFC 3-575-01 see paragraph VIII.

Attachments.

b) Construction shall resume only upon all certified, passing, inspections and at the authorization of the KO.

7. Demolish and dispose of existing water proofing and prepare igloo structure for new waterproofing membrane system per manufacturer’s requirements and recommendations.

8. Prepare and infill the ventilator opening of igloo structure to meet or exceed original Design strength requirements. See attached designs for reference.

9. Demolish and dispose of any and all remaining components not required for the preparation of the new LPS, new waterproofing membrane system, and new ECM roof system.

10. Install noncorrosive gauges at every LPS support mast. Install new with embossed or other permanent, 1/2 in. interval depth markings from 23 in. to 31 in. above igloo deck. All fasteners and hardware shall be non-corrosive. Do not use coatings or paints.

11. Contractor shall provide and install, at main door, and as approved by KO, an information card.

a) The information card shall state:

IMPORTANT - DO NOT PUNCTURE ROOF AT ANY POINT

This facility is equipped with integral gauges at the peak, centerline of the earth covered magazine roof of this facility. These integral gauges are placed among the metal masts that support the lighting protection system cable also located directly above the (highest point) peak, centerline of the earth cover magazine roof. The integral gauges have permanent markings that are provided to verify the required, minimum, twenty-four (24) inch, soil thickness.

b) Submit proposed font and size to KO for approval prior to ordering information card.

c) The information card shall also contain the following:

For each roof, furnish a typewritten information card for facility records and a photoengraved 0.032 inch thick aluminum card for exterior display. Card must be 8-1/2 by 11 inches minimum. Information card must identify facility name and number;

location; contract number; approximate roof area; detailed roof system description, including deck type, membrane, number of plies, method of application, manufacturer, presence of vapor retarder; date of completion; installing contractor identification and contact information; waterproofing membrane manufacturer warranty expiration, warranty reference number, and contact information. Provide a paper copy to the KO.

12. Provide and install a new waterproofing membrane system, over the igloo structure down to the building footings.

a) The new roof shall require a 20-yr, NDL, manufacturer’s warranty, on the waterproofing membrane system, materials, and installation workmanship warranty, including all hardware, and accessories necessary for the waterproofing membrane system.

b) The waterproofing membrane system shall be installed by a certified installer with a 5-yr minimum of documented experience with the manufacture.

c) The certified installer’s workmanship and installation warranty shall be a 2-yr minimum warranty.

13. Structure shall be watertight at the completion of every workday.

14. Provide new footing drain system to include new underground, infiltration gallery, see the attached design drawings (For Reference Only) paragraph VIII.4 through VIII.6.

a) The attached drawings for new footing drain system and new, underground, infiltration gallery is For Reference Only.

b) Contractor shall submit final design for GOV review and approval.

c) Trench and place new, geotextile filter, and new drain rock as approved by 366th CES.

d) Install new 6 in. diameter footing drain system and new underground, infiltration gallery.

e) Install new underground, infiltration gallery beyond toe of ECM roof with new geotextile filter, and new 2 in. drain rock as approved by 366th CES.

f) Slope to drain to new underground, infiltration gallery all drainpipe at 0.5% minimum.

g) All top of pipe shall have a cover of 24 in. minimum.

h) Monitor well for new, underground, infiltration gallery is not in contract.

15. Place retained soil and provide additional imported soil and cover igloo structure to achieve soil depths above igloo structure, of 26 in. minimum. Replace the retained soil and place imported soil, above igloo structure. Compact and slope per UFC and IBC. Finished grade shall have a negative slope away from peak ridgeline of ECM in all directions and at all locations.

a) 26 in minimum soil depth is required.

b) Do not slope finished grade less than 2%.

c) Do not bury top of concrete headwall of the facility.

d) Placement of material shall be accomplished in lifts no greater in depth than 6 in. and shall be raised uniformly on all sides of the structure.

16. Spot elevations at every grade break and no less than 5ft. in distance along final grade shall be documented on a set of redlines. The redlines shall be submitted for GOV inspection and approval prior to the installation of the separation geotextile.

17. Cover soil with a construction grade separation geotextile membrane, sufficient for appropriate separation, reinforcement, filtration, and drainage, for use with the approved crushed rock, and ECM soil properties.

18. Key in separation geotextile per manufacturer’s recommendations, beyond toe of slope.

19. Finished grade to slope away from ECM at 2% minimum beyond toe of slope for 10 ft. minimum.

20. Contractor shall submit a sample of the cellular containment system and approximately 25 pounds of the infill material for approval by 366th CES/CENM prior to purchase for installation.

21. Cover separation geo textile surface with the approved, cellular confinement system per manufacturers requirements.

22. Fill voids of cellular confinement system with the infill material, to height of 1 in. above top of the cellular confinement system, see attached documents for details.

23. All areas disturbed under this project shall be cleaned and graded to ensure proper drainage. This includes any area where materials were stock piled, as well as staging/lay-down areas.

24. This project shall result in a complete and useable roofing system.

D. Closeout – Submit complete documentation for:

1. Weigh tickets, waste determination, waste management, and inspection reports,

2. Final, approved, AutoCAD, As Built drawing records documentation, see attachments 2 & 3,

3. Contract Inspection Acceptance Report, Manufacturer, and qualified installer warranties.

IV. Requirements A. The work in this Task Order shall comply with all Design Build requirements but not limited to:

1. UFC 1-200-01 General Building Requirements – See section 1-6.3.1.1 for Core UFC requirements. Note section 1-6.3.1.2 requires compliance with all other “UFC as applicable to the system, structure, or facility type defined in the scope of the construction project” including not limited to UFC 3-575-01 and UFC 4-420-01.

2. IBC, AFI32-1065, AFMAN32-1065 (Attachments 7a and 7b).

3. UFC may be found, https://www.wbdg.org/ffc/dod/unified-facilities-criteria-ufc

B. Drawings, Specifications, and Design Analysis, see paragraph “VI. Design Deliverables” below.

1. Provide electronic “.pdf” and AutoCAD “.dwg” files, and full size “D” hardcopies, and half size

“B” hardcopies of the full sheet set.

2. MHAFB, AutoCAD drawing templates and stand alone .DWG file for every sheet of the drawings, see also VIII. Attachments. 2 and 3.

3. The Specification shall be drafted in the “Specsintact” format and the USGS per the UFC 1-300-02 http://www.wbdg.org/ffc/dod.

4. Deliver one (1) hardcopy of specifications per each 30%-60%-90%-Final design milestone review.

5. Provide the 30%-60%-90%-Final Design specification submittals for Government review in the

“.pdf file formats via DoD Safe. The “.pdf” drawings shall be delivered as a single, combined “.pdf” file. The specifications shall be submitted as a single “.pdf” file with bookmarks for each specification section for Government review.

6. The Division 01, specifications shall include but are not limited to:

01 11 00 01 14 00 01 32 16.00 20 01 33 00 01 35 26 01 42 00 01 45 00.00 01 50 00 01 57 19 01 78 00

7. Include the attached, MHAFB specific, Division 01 Specification Section 01 57 19 – Temporary Environmental Controls dated 3/18/2019, see paragraph VIII.1. Use the reference file to edit the SpecsIntact specification section.

8. Submittal log is required to contain the appropriate submittal requirements. SpecsIntact will generate a Submittal Log as specification sections are added.

9. Provide all non-Division 01 specification sections for Governments review.

10. Provide one (1) electronic .pdf file and one (1) hardcopy of the Design analysis per each 30%-

60%-90%-Final design milestone review.

C. Third party inspection for the LPS shall be required per each 30%-60%-90%-Final design milestone submittal and as required during the construction phase. Construction shall proceed upon the approval of the KO and upon a passing, certified, LPS inspection.

1. Material salvage and recycling – All non-hazardous material should be recorded and recycled.

Diverted materials shall be documented and submitted to CE. MHAFB has a recycling program and the Point of Contact is Michael Wussow, Solid Waste Program Manager, 208-828-6667.

2. The total recommended Period of Performance (POP) shall be 265 calendar days. This includes Government review, design, and construction. The Contractor shall provide a detailed schedule by work elements with a clear indication of how the work elements contrast to time in days, weeks, months.

V. D-B Recommended Schedule per CLIN

D-B RECOMMENDED SCHEDULE* TIME IN DAYS TOTAL DAYS

1 NTP* 0 0

2 30% Initial Design Submittal 14 14 3 30% Design Government review 28 42 4 35% Design review meeting 2 44 5 60% Intermediate Design Submittal 14 58 6 60% Design Government review 28 86 7 65% Design review meeting 2 88 8 90% Pre-Final Design Submittal 14 102 9 90% Design Government review 28 130 10 95% Design review meeting 2 132 11 100% For Construction Submittal 7 139 12 100% GOV Backcheck and review 14 153 13 100% Pre-Construction meeting 2 155 14 Preconstruction submittals/mobilization 10 165 15 Construction 90 255 16 Close out documentation 10 265

* Contractor shall submit a proposed D-B schedule at Kick off meeting to include all

Design milestones and estimated begin and end dates for Construction.

VI. Design Deliverables A. 30% Design

a) Drawings – (2) 11 x 17 hardcopy, (1) 22 x 34 hardcopy, (1) AutoCad “.dwg” and (1) “.pdf” files.

b) Specification – (1) 8-1/2 x 11 hardcopy, and (1) “.pdf” file of complete specifications

TOC.

c) Design analysis – (1) 8-1/2 x 11 hardcopy, and (1) “.pdf” file.

B. 60%-90%-Final Design

a) Drawings – (2) 11 x 17 hardcopy, (1) 22 x 34 hardcopy, (1) AutoCad “.dwg” and (1)

“.pdf” files.

b) Specification – (1) 8-1/2 x 11 hardcopy, (1) and (1) “.pdf” file of complete specifications.

c) Design analysis – (1) 8-1/2 x 11 hardcopy, and (1) “.pdf” file of complete specifications.

VII. Construction Submittals A. Updated Design Build Schedule.

B. All required submittals listed in the specifications and referenced in the submittal log.

C. All Records drawings and As-built drawings.

D. All close out documentation with Final as-built documentation

VIII. Attachments

1. Environmental Specification Section – “1_01 57 19 Temporary Environmental Controls_ MHAFB Env Spec 20180628”.

2. MHAFB Drawings submittal requirements – “2_ACAD_GIS_Contract_Deliverables_Geobase”

3. A/E/C Standards

a. “3a_ERDC_ITL_TR-19-6_2019.pdf_safe”

b. “3b_ERDC_ITL_TR-19-7_2019.pdf_safe”

4. For Reference Only - (2015) B3005 Final Design - Project completed:

a. “4a_Maintain Covering ECM”

b. “4b_ORDINANCE STORAGE AREA”

c. “4c_Drawings FAC 3005”

d. “4d_Specification FAC 3005”

e. “4e_Test Analysis FAC 3005 Specification_DO2”

f. “4f_Design Analysis FAC 3005”

5. For Reference Only – (2016) Design package B3010 – Not constructed.

a. “5a_Repair Roof_B3010_Specifications_Final”

b. “5b_Repair Roof_B3010_Design-Analysis_Final”

c. “5c_Repair Roof_B3010_Drawings_Final”

6. For Reference Only – (2016) Design package B3007 – Not constructed.

a. “6a_Repair Roof_B3007_Specifications_Final”

b. “6b_Repair Roof_B3007_Design-Analysis_Final”

c. “6c_Repair Roof_B3007_Drawings_Final”

7. Grounding - Lightning Protection Systems and Third-Party Testing

a. “7a_AFI32-1065 – Grounding”

b. “7b_AFMAN32-1065 – Grounding”

8. For Reference Only – Concept Drawing – “8_LPS B3003 Plan and Section”