Attachment 22 - APPA Honor Guard XLWU 21-8120 - Aug 2022 - Rev C.docx

Comment by WALKER, GILBERT D GS-12 USAF ACC 325 CES/CENMP [2]:

Appendix A Description of Work

Construct Honor Guard Facilities

Tyndall Air Force Base, Florida

TABLE OF CONTENTS

XLWU-21-8120

FA4819-22-R-0032

1 Sept 2022

APPENDIX A

1.0 INTRODUCTION

1.1 PROJECT PURPOSE AND SCOPE

The scope of the project includes the design and construction of a new Honor Guard facility for at least 20 personnel, site preparations with surrounding area associated storm water upgrades and utilities. The new Honor Guard facility shall contain parking area, training drill pad, and administration and training facility. When complete the Honor Guard facility shall include these areas, see government unofficial conceptual drawings

1. A parking area for 24 cars and garbage dumpster. Comment by ROBERTS, CLIFFORD L JR TSgt USAF ACC 325 CONS/PKC: Below you state the facility is regularly occupied by less than 11 personnel (see 1.4). Why do we need parking for 24?

2. A training pad to perform drills, approximately 65’ x 70’ square feet area

3. Site preparations with surrounding area associated storm water upgrades and utilities.

a. Increase storm water system detention system

b. All clearing for the site

h. Landscaping and sodding around the site

4. A administration and training area approximately 3610 square feet Comment by ROBERTS, CLIFFORD L JR TSgt USAF ACC 325 CONS/PKC: This is conflict with item 2. Above. Needs to be clarified.

a. Drill and training area 1149 SF, with ceiling finish height of 14’

i. (GFO_ With retractable stage 15’ x 12’

ii. (GFI) Caskets storage area

iii. (GFI) Unit locker(s)

b. Women bathroom with changing area

i. (GFI) 10 cloths lockers

c. Men’s bathroom with changing area

i. (GFI) 10 cloths lockers

d. Flight Chief Office

e. Flight NCOIC Office

f. Common workspace area for 5 workstations

g. Break room

i. Cabinets (lower and upper)

ii. Sink & garbage disposal Comment by ROBERTS, CLIFFORD L JR TSgt USAF ACC 325 CONS/PKC: Why is this needed?

iii. (GFI) Refrigerator

iv. (GFI) Microwave, toaster and coffee pot Comment by ROBERTS, CLIFFORD L JR TSgt USAF ACC 325 CONS/PKC: Is the contractor expected to provide these items and not the refridgerator? Or is this a request to provide electrical plug-in? Clarify.

h. Storage areas

i. (GFI) Clothes, weapons, and equipment storage areas

i. Communication room with separate AC unit

j. Mechanical Room

k. Electrical Room

1.2 DESIGN CRITERIA

A. Complete Issue for Construction deliverables including, but not exhaustive, construction drawings, specifications, and design analysis/calculations. The Issue for Construction Contract documents shall be of high professional quality, signed and sealed, technically accurate and compliant with all applicable codes, standards, memorandums and UFGS specifications.

1.3 APPLICABLE STANDARDS

A. All work shall be designed and constructed to meet all state and federal codes, standards, and laws, including, but not exhaustive:

· Applicable Uniform Facilities Criteria (UFC)

· USACE Safety and Health Requirements Manual (EM 385‐1‐1)

· OSHA Requirements

· ABA Requirements

· Tyndall AFB IFS www.tyndallifs.com

· Applicable Technical Manuals

· Applicable Air Force Instructions (AFIs)

· Applicable Air Force Manuals (AFMAN)

B. Refer to the Project Request for Proposal, as well as www.wbdg.org for a further list of codes and standards.

1.4 FORCE PROTECTION DESIGN

A. The facility is routinely occupied by fewer than 11 personnel and has a population density of less than one person per 430 gross square feet. It is designated as low occupancy,occupancy, maximum occupancy 22; therefore, the UFC 4-010-01 Department of Defense Minimum Antiterrorism Standards for Buildings does not apply.

2.0 CIVIL

2.1 SITE DESCRIPTION

A. This project is in Bay County, Florida at Tyndall Air Force Base, on the “support” side of the main base. The site is an undeveloped parcel at the corner of Suwannee Avenue and Barnes Drive. The project location, per cartesian nomenclature, is described as: “east side Suwannee Ave.; south of Barnes Rd.; north of Future Commercial Gate Entry Road; and west of the existing drainage swale that generally flows from north to south.”

B. The primary soil type is sand. It is recommended, per historical reports, is to use the sand soil type to design foundations, slabs on grade, pavement, and the infiltration capabilities of the soil for storm water management.

2.2 SITE WORK

A. The site work design required for this project, shall include but may not necessarily be limited to, the following items: utilities, electrical power, telecom, potable water, sanitary sewer, natural gas systems, clearing, grubbing, paving, grading, drainage, storm water collection, conveyance, and management facilities.

B. The water, electric, and natural gas infrastructure on Tyndall AFB has been privatized. Any infrastructure which must be constructed from the facility's points of demarcation to the privatized utility, shall be completed by the system owner. The prime contractor shall enter into a service connection agreement with the system owner and shall be responsible for paying the associated lump sum connection charge.

C. The Contractor is advised that the concept site layout and requirements shown on the criteria drawings shall be observed. Any proposed changes from the concept site layout shall be submitted for review and approval. Provide UFGS marked-up specifications supporting work in this category.

D. Unless otherwise stated, all utilities crossing under existing paved roadways shall be "jack and bored".

2.3 ANTICIPATED QUANTITY OF VEHICLES DAILY

A. The anticipated maximum number of Honor Guard personnel on the site is 220 the least is 9. Comment by ROBERTS, CLIFFORD L JR TSgt USAF ACC 325 CONS/PKC: This conflicts with 1.4 as well as item 2 above. Clarify.

2.4 TOPOGRAPHIC UTILITY AND SURVEY

A. The Contractor shall provide a detailed topographic survey of the project site as part of the Scope of Work. The Government will not provide topographic survey for this project. It shall be the responsibility of the contractor to provide topographic and utility survey of the site verify actual locations of all existing site features and utilities and shall coordinate with the Government regarding any future utility installations that affect the work under this contract.

B. Existing conditions shown on the criteria drawings are based upon Geographic Information System (GIS) data provided by Tyndall AFB, Base Civil Engineer (BCE) and commercially available aerial photography. Plans presented herein are not final site plans but are criteria drawings. These drawings do not purport to show all existing site features accurately.

2.5 COORDINATION AND COLLABORATION WITH OTHER ADJACENT SITE PROJECTS ON BASE (NA)

2.6 DEMOLITION AND REMOVAL

A. The site demolition at the Honor Guard site shall require the topsoil stripping, clearing, and grubbing of all the existing vegetation on the site.

B. The Contractor shall provide layout surveying as necessary to locate the new work items prior to initiating demolition work. Erosion and sediment control Best Management Practices (BMP's) shall be in place and approved by the Contracting Officer's Representative prior to initiating demolition work.

C. All demolition debris shall be removed from the limits of Tyndall AFB and disposed of in a manner as required by law and Air Force regulations. The Contractor shall be responsible for all disposal permits and regulations requirements. If at any time during or after the performance of this contract, it is determined by the Contracting Officer or their authorized representative that the Contractor has not complied with the requirements of the contract pertaining to the disposal of waste material, the Contractor shall be required to take any corrective action directed by the Contracting Officer or other competent authority at no additional cost to the government. Any fine, fee, or penalty assessed by the regulating authority as a result of the Contractor's failure to comply with this provision shall be paid by the Contractor. If any part of the performance of this contract is subcontracted, a provision substantially similar to the above shall be included in all such subcontracts. Such provision does not, however, relieve the prime Contractor from ultimate responsibility under the contract.

D. Some noted items, for this project, of demolition and removal include:

1. The contractor shall be required to remove a portion of existing water main on the south/east edge of the project to allow for the relocation of a drainage swale as well as the installation of a culvert beneath the new north entrance/exit.

2. The contractor shall be required to remove a portion of existing gas main along the roadway.

3. The existing utilities on this site shall be protected as part of this project.

4. The existing storm water system on the west side of the project shall be improved

5. The Contractor may utilize the utilities during construction operations as approved by the Contracting Officer's Representative and may incorporate the utilities as part of the final project.

6. Existing utilities that interfere with this project shall be relocated or removed.

7. Existing Trees: Contractor shall clear trees as required to develop the site. The Contractor is encouraged to save on-site existing trees to the greatest extent possible.

E. The Contractor shall demolish existing Site features, as generally shown on the Site criteria drawings. See Appendix B, notional drawings, for further information.

2.7 SITE GEOMETRY AND PAVEMENT DESIGN

A. The site geometry for the Honor Guard Facility has vehicles entering and exiting Mississippi. The concept site geometry plan presents the general geometric layout for the site work.

B. The Contractor shall design the horizontal and vertical control, drainage, sidewalks, landscaping, site grading, storm water management facilities, asphalt vehicular circulation area for personal vehicle (POV) ingress, egress and parking, water, sewer and other utilities (including fire hydrants, and area lighting) for the new Honor Guard Facility C. All new facility downspouts shall connect into the new underground piped storm drainage collection system with a cast iron boot.

D. NFPA: The Contractor shall ensure that the layout for the entire site, vehicular circulation areas, and access drives shall accommodate emergency and fire fighting vehicles and are in accordance with NFPA Standards for Fire Prevention Code. Special care shall be exercised to minimize traffic congestion in parking areas and hardstand areas. The Contractor shall ensure that all radii and widths of parking lots, access drives, and channelized turn lanes shall accommodate emergency and fire fighting vehicles.

E. ABA/ADA Accessibility Code and Standards: All of the paved area/grades for pedestrians shall be designed for ABA/ADA standard criteria.

F. Parking areas and vehicle circulation pavements shall be provided as generally indicated in the drawings. Concrete bumper blocks shall be installed in all parking stalls that abut sidewalks. Parking areas shall, have lighting and be adequately drained.

1. Parking lot drainage shall be designed to provide adequate sheet flow drainage to a collection system. The slopes of the surface shall be held to the minimum required for drainage and to prevent ponding but shall not be less than 0.5%.

2. For safety, the maximum slope for parking is 5% along the isles through the parking area and 2% for the transverse slope. The Contractor shall construct the collection drainage system such that parking areas and paved areas adjacent to the new facility drain adequately with storm water flowing away from the new facility.

G. Curbs: (NA) H. Pavement: All asphalt and concrete pavements structures shall be based on UFC 3 250-01 and UFC 3-260-02, Pavement Design for Roads, Streets, Walks, and Open Storage Areas. The design software is located at www.pcase.com.

1. Based on information provided in a geotechnical report, the existing subgrade on the site has an LBR of 30. The pavement design program PCASE was utilized to design the flexible pavement on the Honor Guard site. PCASE requires a CBR value for the subgrade to design flexible pavement. CBR is approximately 80% of the stated LBR value in the geotechnical report. Therefore, it is assumed the CBR value for the Honor Guard site is 24. The HMA pavement section for the Honor Guard shall be 2” of surface course (paved in two lifts) on 6” of graded crushed aggregate.

2. New connections to existing asphalt or concrete pavements shall be accomplished by saw cutting the adjacent existing pavement. Minimum access drive pavement width shall be 26 feet from edge of pavement to edge of pavement, unless noted otherwise. All traffic aisles shall be 26-feet wide within the vehicular circulation area ,area, unless noted otherwise on the Site drawings. Traffic flow through the paved areas shall be two wayways unless shown otherwise. The Contractor shall consider the types of vehicles traversing and parking on these facilities and shall incorporate their requirements in the site design.

I. Vehicle Circulation Area shall be provided as generally indicated in the drawings. The layout design of vehicular circulation areas shall conform to SSDCTEA 55-17 standards. Vehicular Circulation Area and Access Drives shall be designed for a 20-year design life and an anticipated Average Daily Traffic (ADT) is estimated at 100 POV trips per day with 10% AASHTO Designation Single Unit (SU) Trucks and Motor Home and Boat Trailer (MH/B).

J. The Contractor shall provide traffic control signs and pavement markings per the applicable codes and standards. See Signage within this document for further information.

K. Contractor shall coordinate with Zone 4 Commercial Gate DB Contractor regarding access tie-in location and the Zone 4 Final Denial Barriers. This access tie in must be outside the final position of Zone 4's Final Denial Barriers.

3.0 STORMWATER, WATER AND SANITARY SEWER

3.1 STORMWATER COLLECTION AND MANAGEMENT

A. The Contractor shall develop a storm drain/grading plan that shall incorporate/include any off-site storm water runoff. In particular to the To meet the requirement site scope of work:

1. Storm water discharge from the site shall not outfall to the existing swale east of the site.

2. The storm drainage shall consist of shallow ponds or swales, storm drainage structures, curb cuts, and piping. The structures may include concrete drop or curb inlets, concrete headwalls, flared end sections and outlet control structures, as necessary. All storm drainage structures located in traffic areas shall be rated to withstand heavy vehicle loading.

3. All grading shall be completed such that parking areas and areas adjacent to the new building drain adequately with storm water flowing away from the building. All side slopes shall not be steeper than 4-feet horizontal to 1-foot vertical. Comment by ROBERTS, CLIFFORD L JR TSgt USAF ACC 325 CONS/PKC: Is this an industry standard?

B. The site storm drainage system shall be designed for treatment of volume of storm water as specified in the Florida Department of Environmental Protection ENVIRONMENTAL RESOURCE PERMIT APPLICANT'S HANDBOOK VOLUME II to retain runoff volume from the 25-year, 24-hour storm event and in accordance with requirements of the Technical Guidance on Implementing the Storm water Runoff Requirements for Federal Projects under Section 438 of the Energy Independence and Security Act.

C. In the event a positive discharge outfall from the storm water treatment facility cannot be achieved, the treatment facility shall retain runoff volume from the 100-year, 24-hour storm event. The storm water treatment facility system must provide the capacity for the appropriate treatment volume of storm water as specified in the Florida Department of Environmental Protections ENVIRONMENTAL RESOURCE PERMIT APPLICANT’S HANDBOOK, VOLUME II (Design and Performance Standards Including Basin Design and Criteria) within 72-hours following a storm event assuming average antecedent moisture conditions. All runoff onto the site from adjacent properties shall be included in the storm drainage calculations. Storm drainage system design shall be checked for a 100-year return event to ensure no flooding of the new facility. Storm drainage design shall be in accordance with Tyndall AFB's Municipal Separate Storm Sewer System (MS4), TM-5-820-4, Florida Statute (F.S.) Section 373.4145 (1) (a), and Florida Administrative Code (FAC) 62-346 D. Storm water Pipes:

1. Minimum pipe velocities shall be 2.0-ft/sec and the maximum shall be 5.0-ft/sec with outlet erosion protection.

2. The minimum pipe size for an open pipe system shall be 18-inches and 15-inch for a closed system.

3. The allowable pipe types under parking areas and areas subject to vehicular traffic shall include reinforced concrete pipe, type III or IV, as required. Pipe joints shall be watertight with gaskets. Drainage pipes not under areas of vehicular traffic may be HDPE or PVC.

4. Storm drainpipes shall be grouted into the concrete structures to provide a watertight connection.

E. Storm water Pavement: The maximum allowable storm water pavement spread shall not exceed 4-feet in width for a 10-year storm event. Sufficient inlets or flumes shall be provided to control drainage spread. The maximum interval for inlets or flumes shall be 300 feet. No inlets shall be provided in curb radii. The storm drainage system shall be designed to the 10-year storm frequency. There shall be no ponding at inlets for a 10-year storm.

F. Concrete inlets/catch basins may be poured in-place or precast concrete. Precast manhole or inlet rings shall connect with industry standard gaskets. Locate storm water inlets so that no collection swales flow across a street or sidewalk to reach a storm sewer other than where cross gutters are used.

G. Metal grates or manholes shall be galvanized. Where grating is to be used, it shall be of "Bicycle Tire Proof" design.

H. Basins shall have 3-inch weep holes cast into the walls. The exterior of the weep holes shall receive a 1/4-inch wire mesh with a 12-inch width belt of crushed rock, ASTM 357.

I. The contractor shall submit the 813 for site storm water and facility location, etc. The process may take up to 60 days to process. Environmental 813.

3.2 SITE CONTROL - EROSION AND SEDIMENT

A. The proposed swales on the Honor Guard site shall have check dams placed in the bottoms to prevent illicit discharges of sediment from the site.

B. The site shall have a contractor staging area where the concrete wash out area, hazardous material (i.e. fuel and oil storage, fertilizers, construction materials), and sanitary facilities shall be stored and regulated for the site. The Contractor shall submit an environmental resource plan for Government approval of the BMPs to control oils, fuels, waste, and chemicals on the site.

3.3 STORMWATER RETENTION

A. As a part of the contractor's geotechnical investigation, the contractor shall be responsible for securing all the required information necessary, e.g. soil infiltro meter test, as applicable for the design of storm water retention ponds and drainage swales in accordance with State regulations.

4.0 WATER SUPPLY AND SANITARY SEWER

A. The Contractor shall design and construct the new water supply utility services for the new facility. The Contractor shall provide water service line and connection to the existing water mains. The water utility facilities shall be designed and constructed in accordance with the criteria contained herein. The design of the water service line shall provide an adequate quantity of water at sufficient pressure for domestic use.

B. The Contractor shall coordinate construction sequencing of utility installation with the Contracting Officer and adjacent contractors to ensure the systems are tested and flushed properly before being connected to the existing system. The Contractor shall confirm the exact location of existing utilities and new utilities being installed.

C. Placement of buried utility mains under new building structures is not allowed. The Contractor's design shall limit of utility main installation beneath the pavement.

1. Water main alignments shall follow existing streets or utility corridors.

D. The contractor shall be responsible for saw cutting and patching of pavements and sidewalks as required for installation of the water and wastewater system and shall repair any areas damaged by the system installation activities, including but not limited to sod, landscaping, pavement damage, pavers and/or concrete removal and replacement.

E. GCEC shall review and comment on the water system design as developed by the design-build contractor's water system's designer of record (DOR), and the DOR must coordinate with GCEC for domestic water design during the design process.

F. After the water system design completion, with all review comments incorporated, GCEC shall construct all domestic water (not including fire) system exterior components up to the new facility's building 5-foot line with a shut off valve.

G. The Defense Logistics Agency (DLA) will work the construction contract with GGCEC to perform this work which will include all physical connections and tie-ins to the existing water systems in accordance with the design-build Request for Proposal (RFP) solicitation documents, criteria, requirements and criteria drawings, including but not limited to trenching, dewatering, filling and compaction for installation of the water system service components.

H. The design build contractor is to coordinate with GCEC to schedule the inspection of this work to be completed within the required Construction Completion date. The design build contractor shall coordinate all domestic water utility work with GCEC during design and construction.

I. Building supply lines shall be sized to meet peak demands with no more than 10-psi pressure loss between the mains and the building.

J. Piping for Water:

1. Water service lines shall be polyvinyl chloride (PVC) except where use dictates otherwise.

2. The domestic water service for the Honor Guard site shall be a 2.5” line.

3. All water piping 4-inches in diameter or greater shall be push-on joint PVC. Piping less than 4-inches in diameter shall be solvent-weld PVC.

4.1 BACKFLOW PREVENTER

A. The contractor shall provide a backflow preventer on the new potable water lines in accordance with Rule 62-555.360, Florida Administrative Code, and the AWWA Manual M14, Recommended Practice for Backflow Prevention and Cross-Connection Control. Reduced pressure principal assemblies and double check valve assemblies shall be tested, approved, and listed in accordance with FCCHR-01.

B. All backflow preventers shall be on the list of approved devices published by the Foundation for Cross-Connection Control and Hydraulic Research, University of Southern California.

C. Air gaps in plumbing systems shall be in accordance with ASME A112.1.2.

D. All test cocks on all backflow preventers shall be equipped with 1/4-inch flare adapters to facilitate attachment of test equipment.

E. In addition to being approved by the FCCHR, all backflow preventers shall have bronze valve seats. A "Re-Build Kit" (poppet replacement kit) shall be provided with each backflow preventer.

F. The reduced pressure backflow preventer shall be placed inside the building mechanical room. Comment by ROBERTS, CLIFFORD L JR TSgt USAF ACC 325 CONS/PKC: Where?

4.2 WATER METER

A. The connection to the existing water main and the installation of the water meter shall be provided and installed by the contractor in accordance with the Utility Metering requirements of the FRCS Guide.

B. The water meter shall be placed inside the building.

4.3 VALVES

A. Curb stops or valves shall be installed near the point of connection to the main and on both the inlet and outlet sides of the water meter and backflow preventer. Valve connections shall be as required for the piping in which they are installed.

B. Flanges shall not be buried.

C. All valves shall be resilient- seat gate valves or approved equal.

D. All service stops and valves shall be provided with service boxes.

5.0 WASTEWATER COLLECTION AND CONVEYANCE SYSTEMS

A. The scope of this construction includes the connection of the new wastewater collection system and new oil/water separator located adjacent to the site to the existing utility. The Contractor shall obtain written authorization from the sanitary sewer authority to connect sanitary sewer outfall from the Honor Guard Facility to the existing system.

B. The wastewater collection and conveyance system shall be designed in accordance with UFC 3-240-01 Wastewater Collection and the Water Pollution Control Federation Manual of Practice No. FD-5, Gravity Sanitary Sewer Design and Construction. In addition, the designer shall comply with state and local regulations that apply, such as Chapter 62-600 of the Florida Administrative Code. The wastewater conveyance system shall comply with all the above requirements and shall be compatible with the wastewater to be conveyed.

C. The 4” domestic sanitary service shall tie into an existing sanitary lateral of the project site.

D. A single building service by gravity does not require an FDEP permit.

5.1 WASTEWATER PIPING

A. Sanitary Sewer piping shall be PVC. Lines shall be tested for leakage by low pressure air testing, infiltration tests, or exfiltration tests in accordance with the requirements set forth in Specification Section 33 30 00 SANITARY SEWERS. The specification section shall be completed and submitted in accordance with section UFGS Submittal Procedures B. New sanitary sewer lines shall be laid on adequate slopes in order to obtain the proper cleansing velocities.

C. Minimum gravity sewer pipe size outside the building 5-foot line is 6-inches in diameter.

D. Minimum slopes, and flow velocities shall be as required by the Florida Department of Environmental Protection (FDEP) standards for an individual facility service.

E. The materials specified shall withstand the effects of the wastewater and not deteriorate as a result of pollutants in the wastewater.

5.2 OIL WATER SEPARATOR (NA)

6.0 EARTHWORK

6.1 GEOTECHNICAL DESIGN

A. The Contractor is required to retain a Geotechnical Engineer experienced and licensed in the geographic region of the project interpret the Government provided information as related to his design concept and develop geotechnical requirements to support design and construction.

1. Minor variations in subsurface conditions between borings should be anticipated. The Contractor’s Geotechnical Engineer shall perform additional subsurface investigating and testing as required to adequately determine all applicable geotechnical factors including the type and capacity of the project foundations. The Contractor’s Geotechnical Engineer shall consider the provided information and any additional information obtained and prepare a report as described in other portions of this RFP. The minimum requirements for the subsurface investigation and report are as required by UFC 3-220-01 with associated references.

B. The Contractor shall bear costs associated with the site preparation, ground improvement and foundations except as allowed by Contract Clause FAR 52.236-2, “Differing Site Conditions”.

C. It is the DBC’s responsibility for obtaining all required drilling permits.

6.2 CONTRACTOR’S GEOTECHNICAL REPORT

A. The DBC's geotechnical report shall be complete with recommendations specific to the geotechnical design requirements at the Scope of Work “site”.

B. The report shall be performed under the direction of and signed by a Florida licensed Professional Geotechnical engineer.

C. All soil borings shall be abandoned in accordance with the following, minimum requirements:

1. Each boring shall be measured for depth before it is sealed to ensure freedom from obstructions that may interfere with effective sealing operations.

2. All borings shall be sealed by backfilling with existing site earth. .All backfill material shall be placed into the borehole from the bottom to the top by pressure. Each borehole sealed shall be given time allowing the backfill material to settle and set in the borehole. If the backfill material settles 2-feet or more below ground surface (BGS), then the contractor shall place more backfill material, as described above, in the borehole to the top. If the backfill material is less than 2-feet BGS, then the contractor may backfill the borehole using properly compacted native material.

3. A measurement of the borehole's theoretical volume, the amount of grout introduced into the borehole and the depth of the top of the grout or cement backfill shall be included in the borehole log.

4. The DBC shall obtain soil samples, disturbed and/or undisturbed, for testing as required for the computation of bearing capacities, settlement calculations, lateral earth pressure calculations, temporary and permanent dewatering designs, etc.

a. All borings shall be continuously sampled by a splitspoon sampler and standard penetration blow counts recorded.

5. A dated drilling log shall be provided for each boring drilled. The drilling logs, results of soils test data if any, and a plan showing the location of each boring as drilled.

6. It is not acceptable to advance the borehole for subsequent insertion of the sampler solely by means of previous sampling with the SPT sampler.

7. The hole shall be cleaned and stable between sampling intervals.

8. The approximate elevations and locations of borings drilled shall be provided on each boring log. Coordinates shall be in state plane +/- 1-foot horizontal.

D. Should unusual or unexpected subsurface conditions be encountered that require additional investigation the contractor shall provide such as deemed necessary to design the proposed structure(s).

E. The contractor shall use the data from his investigation to provide bearing capacity analyses, settlement calculations, lateral earth pressure calculations, temporary and permanent dewatering designs, and/or deep foundation design such as piling, as applicable. NOTE: The DBC-provided report shall include all applicable calculations.

F. The report shall specifically address the following:

1. Structures

a. The report shall recommend the type of foundation system to be used, lateral load resistance capacities for foundation systems, allowable bearing capacity(ies), seismic site class, depth(s) of placement and bearing elevations for footings, grade beams, slabs, pile tips, etc., utilizing the recommendations and restrictions presented in the report. An assessment of post-construction settlement potentials, including total and differential, shall be provided.

2. Pavements

a. The report shall recommend the allowable design CBR and modulus of subgrade reaction along with the required compaction effort for subgrades. Guidance shall be offered on the types of base course materials available in the area and design strengths.

3. General Earthwork and Special Features

a. The report shall recommend any undercutting requirements, proof rolling requirements for subgrades, fill and backfill placement procedures, and types of compaction equipment to be used. The report shall outline earthwork procedures for special features such as retaining walls, buried utilities, and slope stability if applicable.

4. Cathodic Protection and Grounding Systems

a. The report shall include all pH tests, salinity tests, resistivity measurements, sulfate testing, etc., required to design corrosion control and/or grounding systems. The raw field data shall be provided in the report. The contractor shall design all corrosion control and grounding systems required for the project.

5. Dewatering

a. The report shall determine project dewatering requirements. Based on historical geotechnical information, it is anticipated that groundwater may be encountered. If temporary construction dewatering is required due to high water table, the contractor shall prepare and present a dewatering plan in accordance with Specification 01 57 19 Temporary Environmental Controls (Tyndall AFB Specific from Base Environmental).

b. The contractor shall be responsible for securing all the required information necessary for the design of the dewatering plan selected. Boring logs show groundwater table depths/elevations encountered by preliminary planning efforts by the Government.

6.3 GEOTECHNICAL ENGINEERING

A. Personnel under the supervision of a registered Geotechnical Engineer shall provide inspection of excavations and soil/groundwater conditions throughout construction.

B. The engineer shall be responsible for performing pre-construction and periodic site visits throughout construction to assess site conditions.

C. The Geotechnical Engineer, with the concurrence of the DBC and the Contracting Officer, shall update the excavation, sheeting, shoring, and dewatering plans as construction progresses to reflect actual site conditions and shall submit the updated plan and a written report (with professional stamp “signed and sealed”) at least monthly informing the Contractor and Contracting Officer of the status of the plan and an accounting of Contractor adherence to the plan; specifically addressing any present or potential problems.

D. The Geotechnical Engineer shall be available to meet with the Contracting Officer at any time throughout the contract duration.

E. The DBC shall bear all costs of the registered Geotechnical Engineer.

6.4 BORROW MATERIAL

A. Borrow material shall be obtained off site.

B. Costs in connection with borrow material and disposal of materials shall be at the DBC's expense.

C. Liability of any nature resulting from borrow operations including transportation of, and those resulting from disposal of material shall be the responsibility of the DBC.

6.5 SOIL TREATMENT

A. Just prior to placing concrete slab on grade and just prior to backfilling around concrete or masonry foundations for structures, soil treatment shall be applied. Pesticide applications shall be made by state licensed and certified pest control personnel and in strict accordance with manufacturer's label instructions. The Contractor shall formulate, treat, store and dispose of the pesticides in accordance with manufacturer's instructions, and both State and Federal regulations. Applications shall be made in accordance with UFGS §31 31 16.13 CHEMICAL TERMITE CONTROL to be included in DB project specifications and Tyndall Base Standards.

B. Coordinate with TAFB Environmental for the approval of termite control.

6.6 CAPILLARY WATER BARRIER

A. Floor slabs of all buildings shall be underlain by a minimum 6-inch (loose thickness) aggregate capillary barrier and 15 mil vapor barrier above aggregate capillary barrier as described in UFGS §31 00 00 EARTHWORK.

7.0 LANDSCAPE

A. The Contractor shall personally examine the site and become fully acquainted with existing conditions, the character and extent of work to be performed, and identify all precautions to be taken in order to avoid injury to property or persons.

B. All areas disturbed by construction shall receive xeriscape landscape treatment.

C. Follow the TAFB xeriscape landscape management requirements, including low maintenance grasses and sod that shall be placed in and around site/facility. (Found at www.tyndallifs.com) (Three feet of sod shall be placed along all road and building edges. All other disturbed areas shall be seeded and hard wood mulched. The Contractor shall either use Bahia or Bermuda grass to accomplish this task.

D. Any plant that cannot survive the grade alterations required by the civil design, shall be removed.

E. Plant three (3) cypress trees on the West site of the site.

7.1 LANDSCAPE PLAN

A. A xeriscape landscape plan, prepared by a Registered “Landscape Architect”, shall be required to develop the landscaped area around the New Honor Guard Facility and parking area. The Landscape Architect shall develop a landscape concept plan based on the criteria herein and on the RFP drawings for Government review and approval. During design, the plan shall be modified to reflect Government comments and shall be developed in compliance with the RFP. The DBC is advised that the concept site layout and requirements shown on the criteria drawings are intended to describe the overall concepts and scopes of work.

B. The DBC is responsible for development of the final, Issue for Construction, landscape design. Provide drawings, narrative, and supporting documentation incorporating work as shown for all submittal deliverable phases. Provide marked-up specifications supporting work in this category.

C. The DBC shall bear all costs of the registered Landscape Architect.

7.2 LANDSCAPE PLANTINGS

A. Provide complete xeriscape landscaping consisting of trees, shrubs, groundcover, and turf as required to provide a quality, cost effective, functional, and visually appealing landscaping that shall visually enhance the proposed building facility while complying with all applicable requirements.

B. Landscape plantings shall be native/locally adaptive species of trees, shrubs, and groundcovers requiring minimal water and maintenance. Plant materials shall be selected on the basis of plant hardiness, climate, soil characteristics, low maintenance, and high quality and be included in the approved list for Tyndall AFB. See www.tyndallifs.com for Plant List. All selected plant material must be tolerable of the site’s soil conditions. Landscaping shall utilize Xeriscape concepts of planting adaptive species requiring low to moderate water consumption.

C. Trees:

1. Balled and Burlapped trees (B&B) shall be grown in and acclimated to the local geographic area for a period of six-months prior to planting. Small shrubs shall be minimum 18-inches to 24-inches in height, 3-gallon containers. Large shrubs shall be 5-feet to 6-feet in height, 30-gallon container or B&B. Groundcover plants shall be 4-inches to 6-inches maximum in height and be 1-gallon containers.

2. Plants with broken, damaged, or insufficient root balls will be rejected. All rejected material shall be immediately removed from the site and replaced with acceptable material at no cost to the Government.

3. All plant materials shall be protected from possible bark injury or breakage of branches. All plants transported by open trucks shall be adequately covered to prevent windburn, drying, or damage to plants.

4. Remove dead and broken branches from all plant material. Prune to retain typical growth habit of individual plants and in a manner which will preserve the plant's natural character.

5. Make all cuts with sharp instruments flush with trunk or adjacent branch, in such a manner as to ensure elimination of stubs. Cuts made of right angles to line of growth will not be permitted.

6. Trees shall not be poled or topped. Remove all trimmings from site. Point all cuts half inch in diameter and larger with waterproof antiseptic tree point.

D. Edging:

1. All plant beds not bordered by pavement, walks, and curbs shall be edged with commercial quality, zinc-coated, steel edging, 3/16-inch by 4-inch, black in color.

E. Install weed barrier fabric in all planting beds.

F. Mulch all planting beds with Base approved hardwood mulch.

1. Mulch material shall be hardwood mulch distributed evenly over the planting beds to a minimum depth of 4 inches. Inert materials such as lava rock, crushed stone or river rock are not acceptable mulch materials.

2. Mulch trees planted in lawn areas with a minimum 5-feet diameter mulch bed around the base of the tree and separate tree from the lawn area by steel edging 5- feet in diameter.

G. Planting shall be located where it is shown on the plans or as otherwise approved. No planting holes shall be dug until the proposed locations have been staked on the ground by the contractor.

H. Planting pits shall be excavated to the following dimensions and refilled with a mixture of planting soil (1/2 muck and 1/2 existing native soil):

1 gal. Material (1 gal.): 12 inches x 12 inches x 12 inches min.

3-gallon Material (3 gallon): 20 inches x 20 inches x 18 inches min.

Lerio material (7 gallon): 30 inches x 30 inches x 24 inches min.

Field grown material and trees: 3 times width of ball and depth of ball plus 12 inches min.

P. All plants shall be set to finished grade. No filling will be permitted around trunks or stems. all ropes, wire, stakes, etc. shall be removed from sides and tops of the ball and removed from hole before filling in.

Q. All flagging ribbon shall be removed from trees and shrubs before planting.

R. All fertilizers, pesticides, or other chemical amendments shall comply with federal, state, and base requirements.

7.3 PLANTING SOIL MATERIAL

A. Topsoil: Fertile, agricultural topsoil, typical for project locality, capable of sustaining vigorous plant growth, taken from drained site free of subsoil, clay, plants, weeds, and roots, pH range of 5.5 to 7.0 minimum 4 percent, maximum 20-percent organic matter, B. Peat Moss: Shredded, loose, sphagnum moss, free of lumps, roots, inorganic material, minimum 85-percent organic material measured by oven dry weight, 4 to 5-pH range, moisture content of 30 percent.

C. Sand: Coarse, washed, builder's sand.

D. Planting Soil Mixture: Provide mixture of imported topsoil or approved topsoil from site, peat, sand, and other amendments as recommended by the independent soil testing laboratory for the specified plants.

7.4 SODDING

A. Graded and scarred areas around the site shall be sodded.

B. At all new paved drives, paved parking area and concrete sidewalks, the DBC shall provide and install solid sodding, a minimum of 3-feet in width, on edges of all new paved surfaces (parking, roads, sidewalks, mowing strips, etc.) and on the complete perimeter of all new pavement in this project.

C. All other areas disturbed in this project shall be seeded and mulched.

D. Solid sodding shall be installed on all storm water treatment facility slopes from pond bottom elevation to top of bank slope.

E. If disturbed areas shall be left for more than ten calendar days without construction activity, the Contractor shall install temporary seeding and mulching.

F. Prior to sodding, loosen existing soil to a minimum depth of 4-inches. Top 4-inches shall be mixed with soil amendments including 2-inches topsoil.

G. Provide 2-inch offsite topsoil for all sodded areas. Amend existing soil by applying agricultural lime at a rate of 50-pounds per 1,000 square feet and 12-12-12 commercial fertilizer at the rate of 1½-pounds per 1,000 square feet. Sodding shall be specified in Section 32 92 23 SODDING.

H. The sod shall be firm, tough texture, having compacted growth of grass with good root development. It shall contain no noxious weeds, or any other objectionable vegetation, fungus, insects, or disease. The soil embedded in the sod shall be good clean earth, free from stones and debris.

I. Before being cut and lifted the sod shall have been mowed at least three times with a lawn mower, with the final mowing not more than 7 days before the sod is cut.

J. Solid sod shall be laid with closely abutted joints with a tamped or rolled, even surface.

K. The finish level of all sod areas after settlement shall be 2 inches below the top of, walk ways, paving and wood borders to allow for building turf.

7.5 TEMPORARY IRRIGATION FOR PLANTS

A. A permanent irrigation system is not to be provided.

B. The contractor shall provide temporary irrigation for landscaping installed and plant establishment that shall be utilized for a period of one full year from the date of final acceptance.

C. The contractor shall use facilities exterior water spigot(s) with timers programmed to supply the irrigation water during this period. After the one-year establishment period, the contractor shall remove the temporary system and repair all disturbed areas.

D. The contractor shall provide complete landscape maintenance. Maintenance shall be specified in Section 32 05 33, Landscape Establishment.

7.6 COMPLETION, INSPECTION AND ACCEPTANCE

A. Completion of the work shall mean the full and exact compliance and conformity with the provisions expressed or implied in the drawings and in the specifications including the complete removal of all trash, debris, soil or other waste created by the landscape contractor.

B. Inspection of work to determine completion of contract, exclusive of the possible replacement of plants, will be made by the Government at the formal Facility Substantial Completion.

C. All plant material shall be alive and in good growing condition for each specified kind of plant at the time of acceptance. The rating of each plant according to Florida grades and standards shall be equal to or better than that called for on the plans and in these specifications at the time of final inspections and acceptance.

D. After inspection, the landscape contractor will be notified by the Government on the acceptance of all plant material and workmanship, exclusive of the possible replacement of plants subject to guarantee.

8.0 STRUCTURAL

A. Provide within the SOW following…