Att2a_GRCA_190083_Final_CD_Specifications_Vol_1_Division_1.pdf

GRAND CANYON NATIONAL PARK

GRAND CANYON, ARIZONA

REPLACE TRANSCAYON WATERLINE AND

IMPROVE POTABLE WATER SYSTEMS

GRCA 190083

VOLUME 1

DIVISION 1 SPECIFICATIONS

100% Final CDs Submittal

April 22, 2022

NATIONAL PARK SERVICE

DENVER SERVICE CENTER

TABLE OF CONTENTS

DIVISION 01 - GENERAL REQUIREMENTS

01 11 00 Summary of Work 01 26 01 Contract Modification Procedures 01 27 00 Definition of Contract Line Items 01 31 00 Project Management and Coordination 01 32 16 Construction Schedule 01 32 33 Photo Documentation for Historic Preservation Projects 01 33 23 Submittal Procedures 01 35 05 Environmental Protection and Special Controls 01 35 13.22 Archeological Protection 01 35 23 Safety Requirements 01 35 25 Explosives 01 35 91 Historic Preservation Treatment Procedures 01 40 00 Quality Requirements 01 42 00 Reference Standards 01 45 25 Testing Concrete Structures for Watertightness 01 50 00 Temporary Facilities and Controls 01 57 19.11 Indoor Air Quality Management 01 57 19.12 Noise & Acoustics Management 01 57 23 Temporary Storm Water Pollution Prevention 01 61 03 Equipment – Basic Requirements 01 65 50 Material Transport - Helicopters 01 67 00 Product Requirements 01 73 20 Openings and Penetrations in Construction 01 73 29 Cutting and Patching 01 73 40 Execution 01 73 50 Trail Access Management 01 73 60 Construction Camps 01 74 15 Disinfection of Facilities 01 74 19 Construction Waste Management and Disposal 01 75 00 Checkout and Start-up Procedures for Water Treatment Facilities 01 77 00 Closeout Procedures 01 78 23 Operation and Maintenance Data 01 79 00 Demonstration and Training 01 81 10 Wind and Seismic Design Criteria 01 81 13.13 Sustainable Design Requirements for Non-LEED Projects 01 81 33 Cybersecurity Requirements 01 91 14 Total Building Commissioning

GRCA - 19083

SEAL S AND SIGNATURES - VOLUME 1

SEALS AND SIGNATURES - VOLUME 1

It is a violation of applicable laws and regulations governing professional licensing and registration for any person, unless acting under the direction of the licensed and registered design professional(s) indicated above, to alter in any way the Specifications in this project manual.

I hereby certify that the portion of the Specifications described below was prepared by me or under my direct supervision and that I am a duly registered Professional Engineer under the laws of the State of Arizona.

Richard Thornton 04/22/2022

Pages or Specifications divisions or sections covered by this seal:

Division 01

END OF SEALS AND SIGNATURES

GRCA - 190083

091015

01 11 00 - 1

SUMMARY OF WORK

SECTION 01 11 00 - SUMMARY OF WORK

PART 1 - GENERAL

1.1 SUMMARY

A. This Section includes the following:

1. Work covered by the Contract Documents.

2. Work Phases.

3. Work Under Other Contracts.

4. Government Furnished Materials.

5. Contractor Use of Site.

6. Public Use of Site.

7. Occupancy Requirements for Buildings.

8. Conduct of Operations.

9. Work Restrictions.

10. Special Construction Requirements.

11. Additional Reports.

1.2 WORK COVERED BY CONTRACT DOCUMENTS

A. Project Location: The project is generally located at Grand Canyon National Park on the South Rim and between the South and North Rims (i.e. Innercanyon). The project has 5 distinct project areas with locations as follows:

1. Project Area 01 – South Rim Water Treatment Facilities (WTFs): The South Rim WTFs are located on the South Rim near the existing Trailer Village Campground and Tank Farm.

2. Project Area 02 - Bright Angel Pipeline Rehabilitation: The Bright Angel Pipeline project area is located between the South Rim and Havasupai Gardens (Innercanyon), approximately 4 miles along the Bright Angel Trail from the Bright Angel Lodge on the South Rim in Grand Canyon Village to Havasupai Gardens within the Innercanyon.

3. Project Area 03 - Havasupai Gardens Distribution Improvements and TCWL Replacement, and 3-Phase Electrical Distribution Improvements: This project area is located between Havasupai Gardens (formerly known as Indian Garden) and the Phantom Ranch Delta. The Phantom Ranch Delta is approximately 10 miles from the South Rim Visitors Center via the Bright Angel Trail and is located just north of the Colorado River at the bottom of the Canyon.

4. Project Area 04 - Phantom Ranch Treatment, Distribution and Electrical Improvements: This project area is located between the Phantom Ranch Delta and Phantom Ranch Lodges within the Innercanyon. The Phantom Ranch Lodges are about 0.5 miles north of the Phantom Ranch Delta.

5. Project Area 05 – Transcanyon Waterline Rehab, Roaring Springs to Cottonwood: This project area extends between Roaring Springs, which is located approximately 5 miles from the North Rim Visitors Center via the North Kaibab Trail, to Cottonwood Campground, which is about 2 miles from Roaring Springs via the North Kaibab Trail.

6. Indian Garden Pump Station Phase III, Pump 3 Replacement: This work is at the Havasupai Gardens Pump Station (a.k.a. Indian Garden Pump Station) geographically located within Project Area 03.

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B. The Work of this Contract consists of the following:

1. General Conditions:

a. South Rim General Cost of Construction

1) Work associated with utilization of the South Rim Contractor Support Facilities including project management, supervisory and office staff, maintenance staff and maintenance activities, office facilities, and housing/temporary RV sites.

2) Insurance and bonds.

b. Innercanyon General Cost of Construction

1) Work associated with housing, subsistence, food and waste services along the project alignment and at site specific locations including construction camps, as well as trail management.

c. Helicopter Operations

1) Helicopter/airlift support work including flight operations, planning and radio communications, development of flight manifests, rigging of flight loads, purchase and maintenance of rigging equipment, and debris disposal and recycling.

2) Helicopter/airlift activities including various aircraft needed for project required loads, pilots, mechanics, maintenance activities, fuels and fueling services.

2. Project Area 01 – South Rim Water Treatment Facilities:

a. PA 01a - Raw Water Tanks

1) Two (2) new Raw Water Storage Tanks, constructed of welded steel, with a capacity of 1 million gallons each.

2) Associated yard piping, site grading, fencing and related electrical systems.

3) Temporary disinfection system.

b. PA 01b - South Rim WTP Facility

1) A new South Rim Water Treatment Plant (WTP) with a production capacity of

1.8 million gallons per day (MGD) consisting of:

a) Two (2) above slab, cast in place concrete Pretreatment Basins with rapid mix basins, three-stage baffled flocculation zones using horizontal paddlewheel flocculators, lamella plate settlers, and hose-less vacuum sludge collectors.

b) Nanofiltration (NF) membrane system including four (4) NF skids, NF feed pumps, and NF Permeate Tank.

c) Above slab, cast in place concrete Process Tanks for sludge equalization, backwash equalization, filtrate, and finished water blending.

d) Three (3) bulk chemical storage rooms for coagulant, sodium hypochlorite, and caustic soda.

e) Chemical drum storage room and metering pump panels.

f) Administration Area with Control Room, Lab, Break Room, SCADA

Room, Restrooms, Mechanical Room, and Maintenance Room.

g) Electrical Room.

h) Blower Room.

i) Fire Riser Room.

j) CMU building with metal panels, steel roof framing, overhead doors, stone veneer, and a standing seam metal roof.

k) A new concrete Brine Equalization Tank.

l) Yard piping modifications.

m) A new outdoor backup diesel generator with sound enclosure.

n) A new outdoor switchgear with building enclosure.

o) Sanitary sewer line, lift station, and forcemain.

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p) Site grading and paving.

q) Associated electrical, instrumentation, controls, and piping systems.

r) Installation of Suez UF Membrane System.

s) All other items for a complete and operable facility.

2) Chemicals and consumables required for WTP Start-up and Demonstration.

c. PA 01c - South Rim WTP Suez Membrane Package, Equipment Costs

1) Ultrafiltration (UF) membrane system including three (3) UF skids, clean-in-place (CIP) system, blowers, and compressors.

d. PA 01d – South Rim WTP Operations Costs by Suez

1) Operations Contract for a period of 1-year with an option to extend the operations period for an additional 5-years under a separate contract with the Government. Contract shall include the following:

a) Operate and maintain WTP.

b) Perform all ADEQ regulatory monitoring and reporting associated with

WTP. Distribution system regulatory monitoring is not included.

c) Coordinate with Government staff as required for water system operation.

d) Proposed staffing headcount and associated work hours.

e) Proposed cost strategy for consumables and maintenance costs.

2) A copy of the Suez Operations proposal shall be included in the Contractor’s technical proposal in response to the Solicitation.

3. Project Area 02 - Bright Angel Pipeline Rehabilitation:

a. The work includes sliplining the existing 6-inch steel Bright Angel Water Supply

Pipeline with a 3-inch composite pipe between the Bright Angel Lodge on the South Rim and Havasupai Gardens within the Innercanyon. Improvements will also be made to the water services and distribution systems at the 1.5 and 3.0 Mile Resthouses, including trail access management and restoration activities.

4. Project Area 03 - Havasupai Gardens Distribution Improvements and TCWL Replacement, and 3-Phase Electrical Distribution Improvements:

a. PA 03a - Havasupai Gardens Water Distribution Improvements

1) The work includes replacement of the existing Havasupai Gardens potable water distribution system, replacement of existing drinking water stations and fire standpipes, and associated trail restoration.

b. PA 03b - Transcanyon Waterline and Power Distribution Replacement, Havasupai Gardens to Phantom Ranch. The work includes:

1) Replacement of the existing Transcanyon Waterline (TCWL) between

Havasupai Gardens and the Phantom Ranch Delta with a new 8-inch steel pipeline with associated valves and appurtenances.

2) Replacement of the existing single-phase electrical line with a new 3-phase line between Havasupai Gardens and the Phantom Ranch Delta.

3) Installation of microduct for future fiber between Havasupai Gardens and Phantom Ranch Delta.

4) Structural improvements to the Silver Bridge near the Phantom Ranch Delta.

5) Trail access management, trail restoration, and revegetation activities.

5. Project Area 04 - Phantom Ranch Treatment, Distribution and Electrical Improvements:

a. PA 04a - Phantom Ranch Water Distribution and Electrical Distribution

Improvements. The work includes:

1) Replacement of the two water distribution systems with a single distribution system, associated valves and appurtenances, and utilizing the existing 8” steel waterline constructed in 2015.

2) Replacement of the existing single-phase electrical distribution system with a new single-phase distribution system, extension of the 3-phase system from the

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Phantom Ranch Delta to the Phantom Ranch Cantina vicinity, and associated transformers, panels, and service connections.

3) Trail restoration and revegetation activities.

b. PA 04b - Phantom Ranch Intake, Treatment, and Pumping Systems. The work includes:

1) Construction of a new 1 MGD surface water intake at Bright Angel Creek, a new intake raw water pump station, a new Phantom Ranch WTP housing a 50 gallon per minute (gpm) UF membrane treatment system (see Item 04c), three

0.5 MGD TCWL raw water booster pumps, two new FRP raw water tanks, three new FRP finished water tanks, two new prepackaged lift stations, backup generator, outdoor switchgear with building enclosure, and associated piping, electrical and instrumentation/control systems. Installation of Suez UF Membrane System.

2) Chemicals and consumables required for WTP Start-up and Demonstration.

3) Bright Angel Creek channel grading and bank stabilization, site grading, and associated yard piping.

4) Trail restoration and revegetation activities.

c. PA 04c – Phantom Ranch WTP Suez Membrane Package, Equipment Costs

1) Ultrafiltration (UF) membrane system including three (3) UF skids, clean-in-place (CIP) system, blowers, and compressors.

d. PA 04d – Phantom Ranch WTP Operations Costs by Suez

1) Operations Contract for a period of 1-year with an option to extend the operations period for an additional 5-years under a separate contract with the Government. Contract shall include the following:

a) Operate and maintain WTP.

b) Perform all ADEQ regulatory monitoring and reporting associated with

WTP. Distribution system regulatory monitoring is not included.

c) Coordinate with Government staff as required for water system operation.

d) Proposed staffing headcount and associated work hours.

e) Proposed cost strategy for consumables and maintenance costs.

f) Note that contract operators will be required to hike to/from Phantom

Ranch. Lodging at Phantom Ranch will be provided for contract operators at no cost to supplier.

2) A copy of the Suez Operations proposal shall be included in the Contractor’s technical proposal in response to the Solicitation.

6. Project Area 05 - Roaring Springs to Cottonwood Campground Pipeline Rehabilitation:

a. The work includes sliplining the existing 8-inch aluminum TCWL with a 3-inch fused

HDPE pipe between the Roaring Springs Pump Station and Cottonwood Campground, installation of point-of-entry (POE) treatment systems at the ranger stations within Manzanita Rest Area and Cottonwood Campground, replacement of the water distribution systems at Manzanita and Cottonwood, and associated trail restoration and revegetation activities.

7. Indian Garden Pump Station Phase III, Pump 3 Replacement:

a. The work includes the construction required to install a new horizontal multi-stage centrifugal pump, constructing an operations room, and a new valve/metering vault at the Indian Garden facility. Construction will include provisioning the pump, and all activities, transportation (excluding helicopter transport) and materials required to provide a fully operational pump station at Havasupai Gardens.

1) Design intent work sequence:

a) Demo Sidewalks and pump landing pad as necessary.

b) Prepare grades outside Pump House entrances.

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c) Excavate for and install precast vault floor and piping, connect North Pump House (NPH) discharge to vault, finish vault walls and roof

d) Connect vault discharge piping to Trans Canyon Waterline (TCWL) and Bright Angel Pipeline

e) Demo SPH pump, piping, and valves.

f) Construct new Operations Room inside South Pump House (SPH)

g) Deliver and install new Pump 3 in South Pump House and Test

h) Install new ducting and balance air flow to Pump Room and Operations

Room in SPH

i) Manipulate supply air register in NPH.

j) Reconstruct external sidewalk as necessary.

2) Stage for helicopter backhaul flights in conjunction with new material delivery.

b. Additional general construction activities to include:

1) Demolish, remove, and dispose of abandoned/unusable equipment to be replaced, such as Pump 3, variable frequency drives (VFD), transformers, piping, storage cabinets, exterior fencing, demolished concrete/retaining wall, and pre-project debris adjacent to the pump houses.

2) Provision of and install necessary electrical components and cabling, Variable Frequency Drives (VFD), piping and valves, SCADA equipment, and any additional new equipment and materials needed to support the operation of the new pumps.

3) Staging areas, permanent reinforced interior pump pad installation, and lifts/conveyors/carts for moving pumps and other equipment into and out of the pumphouse for helicopter transport.

4) Pump and motor placement, testing, and commissioning, including all control systems.

C. All construction staff, materials, and equipment for Project Areas 02 – 05 will require transportation into and out of the Innercanyon via helicopter, mule, or foot.

1. Contractor shall provide helicopter operations. Use of Government-owned helicopters will not be permitted. See Section 01 65 50 “Material Transport” for requirements on the use of helicopter transportation and mule weight restrictions.

2. No mechanized ground transportation is permitted on Innercanyon trails outside the limits of construction.

D. Project will be constructed under a single prime contract. Government will take beneficial use of certain project elements as they are completed, prior to Substantial Completion of the Work as a whole.

E. The Government has selected the following products and services to be sole-sourced for the Project.

No product substitutions will be allowed.

1. Ultrafiltration (UF) Membrane Systems – Suez Water Technologies and Solutions.

a. Includes a 5-year Operations Contract for both WTP’s.

2. Spoolable Composite Pipe – FlexSteel.

3. Armored Wire and Cable for Medium Voltage Distribution – Okonite.

4. Programmable Logic Controllers (PLCs) – Automation Direct Do-more.

1.3 WORK PHASES

A. The Work Phases are to be developed with the following project objectives.

1. PA 01 – South Rim Water Treatment Facility

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a. Early completion of raw water tanks is required for interim disinfection associated with the TCWL replacement work in PA 03. Refer to the Drawings, Volume 0 for the disinfection schematic.

1) Interim disinfection system includes temporary disinfection system in temporary building enclosure, new fiber to Tank C Pumphouse, and associated electrical work. Programming for interim disinfection system to be provided by others.

b. Initiate construction without the complexities of Innercanyon work.

c. Water treatment plant start-up using the Roaring Springs source to allow system operations to be optimized prior to switching to the Bight Angel Creek source with the associated intake, pumping, and change in water chemistry.

d. Early completion provides benefits to WTP operations assistance, public health, and ADEQ consent order compliance.

2. PA 02 - Bright Angel Pipeline Rehabilitation

a. Early completion of the Bright Angel Pipeline Rehabilitation is required for disinfection associated with the TCWL replacement work in PA 03. Refer to the Drawings, Volume 0 for the disinfection schematic.

b. Completion of this work allows for potable water to backfeed the Havasupai Gardens distribution system and the water spigots at the 1.5 and 3 Mile Resthouses. This includes disconnecting the Havasupai Gardens distribution system from the TCWL within the existing Havasupai Gardens pump station.

3. Project Area 03 - Havasupai Gardens Distribution Improvements and TCWL Replacement, and 3-Phase Electrical Distribution Improvements

a. TCWL replacement must maintain water service to the South Rim system utilizing bypass pipeline segments identified on the Drawings, Volume 3 while minimizing shutdown periods where the South Rim relies on storage. Refer to Section 01 73 40 for allowable shutdown durations and bypass piping length and flow requirements.

b. Minimize shutdowns and re-starts of the TCWL pipeline as this operation can have negative impacts on the existing aluminum pipeline.

c. Perform electrical improvements concurrent with the TCWL replacement work while maintaining existing single-phase electrical service to Phantom Ranch.

d. 3-phase power from Havasupai Gardens to Phantom Ranch is required for start-up of the Phantom Ranch Intake, Treatment, and Pumping Systems.

e. Construction will require full closure of segments of the Bright Angel Trail and River Trail between Havasupai Gardens and Phantom Ranch without the opportunity for temporary trail bypass routes. Closure of the Bright Angel Trail and River Trail segments are required to be concurrent.

f. Work within the Bright Angel Trail segment is to progress from Havasupai Gardens Pump Station toward the Garden Creek crossing to facilitate re-opening of the Trail and its connection to the Tonto Trail. Refer to 01 73 50 Trail Access Management Plan for details.

4. Project Area 04 - Phantom Ranch Treatment, Distribution and Electrical Improvements

a. Phantom Ranch water and electrical distribution replacements are to be constructed concurrently.

b. The Phantom Ranch water distribution replacement work should be completed prior to the start-up of the Phantom Ranch water treatment systems such that the finished water pumps will be delivering potable water at design system-head conditions.

c. All work on the Phantom Ranch Delta that includes the Phantom Ranch intake, treatment, and pumping systems can occur concurrently and also concurrent with the water and electrical distribution replacement work.

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d. Work within Bright Angel Creek, including the intake and channel stabilization, should minimize impacts to water quality and in-stream biological resources as well as reduce construction risk associated with monsoon flood events.

e. Closure of the Bright Angel Campground and/or the Phantom Ranch lodges should be concurrent with closure of the Bright Angel Trail and River Trail segments in PA 03.

5. Project Area 05 - Roaring Springs to Cottonwood Campground Pipeline Rehabilitation

a. Before construction is initiated, all other project areas must be operational so the north section of the TCWL can be abandoned in-place and thereby transferring the primary water source from Roaring Springs to Bright Angel Creek at Phantom Ranch.

b. Roaring Springs will continue to be the water source for Manzanita Ranger Station and Cottonwood Campground.

c. Minimize water service outage duration at the Manzanita Ranger Station. Sliplining the existing pipeline between the Roaring Springs pump station and Manzanita prior to the segment between Manzanita and Cottonwood will allow water service to be reinstated back at Manzanita sooner.

B. The Work shall be conducted based on the following phasing criteria listed below by Project Area and associated work items using the construction objectives in 1.3.A. Refer to Section 1.2 for definition of work items by Project Area (PA).

1. PA 01a - Raw Water Tanks

a. Construct and obtain ADEQ Approval of Construction to allow Beneficial Use prior to initiating construction of the TCWL replacement (Work Item PA 03b).

2. PA 01b - South Rim Water Treatment Facility

a. Construct and obtain ADEQ Approval of Construction to allow Beneficial Use prior to start-up of the Phantom Ranch Water Treatment Facilities (Work Item PA 04b).

b. Start up for the S Rim WTFs will be completed using the Roaring Springs source and completed prior to start up for the Phantom Ranch Intake, Treatment, and Pumping Systems.

3. PA 02 - Bright Angel Pipeline Rehabilitation

a. Construct and obtain ADEQ Approval of Construction to allow Beneficial Use prior to initiating construction of the TCWL replacement (Work Item PA 03b).

4. PA 03a - Havasupai Gardens Water Distribution Improvements

a. Construct and obtain ADEQ Approval of Construction prior to initiating construction of Roaring Springs to Cottonwood Campground Pipeline Rehabilitation (Work Item

PA 05).

b. Concurrent closure of the Havasupai Gardens Campground with Bright Angel Campground at Phantom Ranch is not allowed.

5. PA 03b - Transcanyon Waterline and Power Distribution Replacement, Havasupai Gardens to Phantom Ranch

a. Construct and obtain ADEQ Approval of Construction for water systems and NPS

Acceptance of Work for electrical systems to allow Beneficial Use prior to start-up of the Phantom Ranch Water Treatment Facilities (Work Item PA 04b).

1) Note that an ADEQ Approval of Construction will be required for each segment of replaced TCWL placed into service.

b. Trail closures associated with PA 03b construction scope for the Bright Angel Trail, River Trail and Silver Bridge are to occur concurrently. Sequential or staggered trail closures within the Innercanyon are not permitted. Refer to Drawings for trail locations.

6. PA 04a - Phantom Ranch Water Distribution and Electrical Distribution Improvements

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a. Construct and obtain ADEQ Approval of Construction for water system and NPS Acceptance of Work for electrical systems to allow Beneficial Use prior to start-up of the Phantom Ranch Water Treatment Facilities (Work Item PA 04b).

7. PA 04b - Phantom Ranch Intake, Treatment, and Pumping Systems

a. Construct and obtain ADEQ Approval of Construction and APS Acceptance of Work to allow Beneficial Use prior to initiating work on the Roaring Springs to Cottonwood Campground Pipeline Rehabilitation (Work Item PA 05).

b. Construction of the intake and Bright Angel Creek channel stabilization improvements shall occur outside the native fish breeding season of March 1 through July 31.

8. Project Area 05 - Roaring Springs to Cottonwood Campground Pipeline Rehabilitation

a. Initiate construction after all other Work in Project Areas 01, 02, 03 and 04 is complete, operational, and identified as ready for Beneficial Use. This includes delivery of water from the south rim water treatment facility to distribution system using bright Angel Creek as the new water source.

b. TCWL Rehabilitation

1) Sliplining the existing TCWL between Roaring Springs and Manzanita will be completed prior to sliplining between Manzanita and Cottonwood Campground.

c. Point-of-Use Treatment and Distribution System Replacements

1) Work can occur concurrently with sliplining the existing TCWL.

1.4 WORK UNDER OTHER CONTRACTS

A. General: Cooperate fully with separate contractors so work on those contracts may be carried out smoothly, without interfering with or delaying work under this Contract. Coordinate the Work of this Contract with work performed under separate contracts.

B. Existing NPS Operations: Contractor Support Facilities and contractor helicopter operations will be on or adjacent to an active helibase site used by NPS for operations including transporting personnel and materials, emergencies, and search and rescue missions. Contractor shall yield all work to the needs of helibase operations at any time. Helibase operations will have final authority to stop construction work including during helicopter operations and emergencies, if required.

C. Facilities Maintenance Division (FMD) operations: The contractor support facilities are located adjacent to Facilities Maintenance Division (FMD) for Grand Canyon National Park. Contractor shall conduct work to have minimal impact to these facilities or operations.

D. Other NPS Operations: NPS conducts other Park operations for official and visitor purposes.

Contractor shall conduct work to have minimal impact on these operations and visitor enjoyment.

E. Preceding Work: Government has given notice to proceed on a separate contract for the following construction operations. Those operations are scheduled to be substantially complete before work under this Contract begins.

1. GRCA 254529 Construction Contractor Support Facilities: A separate contract has been given notice to proceed for the construction of facilities on the South Rim, near the Facility Maintenance Division campus, with the intent of supporting Contractor operations during construction for this Contract. These facilities are described further in section 1.6.

2. GRCA 229035B Phantom Ranch Short-term Wastewater Facility Improvements

a. A separate contract for a new headworks and filter improvements has been executed.

Work under the GRCA 229035B contract is shown on the Contract Drawings.

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F. Concurrent Work: Government will give notice to proceed for a separate contract for the following construction operations at Project site. Those operations will be conducted simultaneously with work under this Contract.

1. GRCA 257282 South Rim Wastewater Treatment Facilities

a. This project will replace the South Rim Wastewater Treatment Plant (plant) with a new plant. The existing plant, constructed in the 1970s, services all visitor, resident staff housing, lodging, and support facilities at the Village South Rim of the Grand Canyon.

This project will provide a plant that will be capable of consistently and efficiently treating current and projected increased and more concentrated influent flows, including waste stream discharges from the new South Rim WTP. The new plant will be constructed through the NPS design-build process.

2. GRCA 159964, 161801, 228786, 257283, and 318719 North Rim Utilities Infrastructure Replacement

a. Electrical systems: This project will improve the reliability of the existing primary electrical distribution system by replacing worn out distribution components such sectionalizing boxes, switchgear, transfer switches, primary metering, transformers, and primary feeder lines. Additional items include the replacement and upgrade of the backup generators, switchboard, load bank and diesel fuel storage tanks.

b. Wastewater systems: The project also includes the replacement of over 20,000 feet of wastewater collection lines and 90 manholes throughout the North Rim. Five aged lift stations will be replaced with more efficient, less maintenance intensive systems to include back up generation in case of a power outage. The headworks and secondary treatment processes will be enclosed and heated which will allow for extended season operations.

c. Water and Innercanyon Power:

1) This project element will replace the 80-year-old water supply pipeline from

Roaring Springs to the North Rim, which is the sole source of water supply for the area, and 50 years beyond its design life cycle. The 12,500 LF pipeline is exposed, making it susceptible to damage from rockslides, falling rock impacts and sub-freezing temperatures.

2) This project element will also replace the existing overhead single phase electrical line from the North Rim to Manzanita and potentially to Cottonwood.

The existing line from Roaring Springs to Manzanita was installed in 1960’s and is beyond its design lifecycle creating phase imbalances and other operational issues.

d. Work under this contract(s) will be constructed through the NPS design-build process.

1.5 GOVERNMENT-FURNISHED MATERIALS

A. None.

1.6 CONTRACTOR USE OF SITE

A. General:

1. Project Area 01 – South Rim WTFs: Contractor shall have full use of the site for construction operations during the construction period. Contractor's use of the site is limited only by the Government's right to perform work or to retain other contractors on portions of Project.

2. Project Areas 02 – 05 (Innercanyon Work): Contractor shall have limited use of the site for construction operations. Limit use of premises to trails, campgrounds, and the Phantom

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Ranch developed areas indicated on the Drawings and Specifications. Do not disturb portions of Project site beyond areas in which the Work is indicated.

B. Limits: Contractor shall have limited use of site for construction operations. Limit use of premises to limits of construction indicated on drawings. Do not disturb portions of Project site beyond areas in which the limits of construction is indicated.

1. Limit site disturbance, including earthwork and clearing of vegetation, to 40 feet beyond building perimeter; 10 feet beyond surface walkways, patios, surface parking, and utilities less than 12 inches in diameter; 15 feet beyond primary roadway curbs and main utility branch trenches; and 25 feet beyond constructed areas with permeable surfaces (such as pervious paving areas, storm water detention facilities, and fields) that require additional staging areas in order to limit compaction in the constructed area.

2. Refer to Section 01 65 00 for details on helicopter material delivery requirements.

3. The Contractor shall use the Contractor Support Facilities to the maximum extent practical based on the following project objectives:

1) Minimize traffic impacts associated with Contractor staff entering/exiting the

Park.

2) Allow for continuity of staff, NPS access to Contractor staff, and emergency preparedness during construction.

3) Mitigate inherent safety issues associated with the remote work site(s) and commuting from remote locations.

4. Use of Contactor Support Facilities: The following facilities are to be used and maintained by the Contractor:

a. Helibase Building.

1) The Contractor shall use the existing Helibase structure for all helicopter personnel operations.

2) NPS Helibase operations will occupy the new helibase building. Access inside the new helibase building is not allowed by contractor’s personnel without permission and escort.

3) A contractor access pathway from the existing helibase building to the contractor trailers and contractor staging area shall be used by contractor personnel. Vehicle access shall be limited to utility terrain vehicles (UTVs).

b. Helibase Deck. Contractor shall use the following for helicoptor operations:

1) Pad 1: One (1) 12’x12’ pad with a concrete approach to the existing helibase hanger for light helicoptor use, maintenance, and personnel.

2) Pad 5: One (1) 30 ft x 30 ft concrete pad with 70 ft x70 ft asphalt apron adjacent to contractor staging area for helicopter sling load preparation, rigging, and picks.

3) Contractor shall not use or inhibit government use of the three NPS helipads (pad 2, 3, 4).

4) A 140 ft x 300 ft contractor staging area consisting of crushed aggregate surfacing with access road on the eastern portion of the helibase area.

5) The helibase deck facilities for contractor use includes two helicopter turntables and an approximate 100-FT x 200-FT area suitable for sling load preparation, rigging, and picks.

6) Contractor shall have use of the helibase deck within the temporary fence as shown on the drawings. Contractor shall contain all construction activities within the temporary fence including equipment, materials, debris, and personnel.

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c. Temporary Housing. Twenty (20) RV pad sites with space for personal vehicles will be provided for Contractor use during the construction period. RV pad sites include water, sewer, and electrical hookups.

d. Contractor Trailer Parking.

1) Three (3) Construction trailer pad sites are provided for the Contractor and

CMR.

2) Contractor vehicle parking area for contractor personnel and construction vehicles. Contractor shall provide ABA accessible spaces and sidewalks as required for construction operations and submit for DSC approval, if required by CMR.

e. Contractor Operations and Laydown Area.

1) An approximate 100-FT x 240-FT area consisting of crushed aggregate surfacing for material storage, equipment maintenance, and similar construction support operations.

2) Fencing and access gates are provided for the contractor trailer and laydown site area. Contractor shall maintain locked gates when not in use and provide key access to CMR and helibase staff.

f. Contractor Access Road. The contractor access road will provide a direct connection of the Contractor Support Facilities to State Route 64 for Contractor and NPS use.

1) All deliveries and contractor access will utilize this roadway.

2) Access to the Contractor Support Facilities via Center Road and Shuttle Bus

Road will not be permitted.

3) The contractor access road crosses the Arizona Trail where pedestrian use including hiking and biking is common throughout the year. Contractor shall adhere to all vehicular signage and maintain safe operations at all times.

4) A vehicle gate is installed at the entrance. The contractor shall maintain a locking system for the gate and provide key access to the CMR and helibase staff. The gate shall be locked when the contractor facilties area is not in use, and shall remain open at all other times unless otherwise approved by CMR.

g. Refer to Drawings for additional information and locations of facilities

C. Storage of Materials: Confine storage of materials to designated staging areas identified on the Drawings.

1. Contractor Support Facility

a. Storage of tools, equipment and materials shall generally be confined to outside of the helibase fenceline.

b. Materials shall be stored within the helibase for no longer than 72 hours prior to use.

c. Stockpile of excavated soils, debris, and ground surfacings shall be limited to 72 hours prior to use or disposal, at a height of no more than 5 feet, and in an area not to conflict with helicopter operations.

d. Contractor shall remove and dispose of loose packaging of equipment immediately upon delivery unless otherwise recommended by the manufacturer for proper storage.

e. Extra care shall be taken to tie-down lighter equipment and materials to avoid debris to be blown into the helibase area, which can create a danger to helicopter operations.

f. Trash and debris shall be disposed of immediately in an enclosed and covered receptacle.

g. Materials shall not be stored in a location that obstructs bicycle or foot traffic on the Arizona Trail or other Park trails.

h. Parking for construction equipment such as graders, loaders, and backhoes shall be outside the helibase fence when not in use.

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2. All other areas

a. Materials, tools, and equipment shall not be stored in existing park facilities.

b. Materials shall not be stored in a location that obstructs foot or mule traffic on Park trails.

D. Parking: Confine parking to within the contractor area of the Contractor Support Facilities and the Limits of Construction within Project Area 01 – South Rim Water Treatment Facilities.

E. Stockpiling: Confine stockpiling to staging areas or within the Limits of Construction as shown on the Contract Drawings.

F. Preservation of Natural Features:

1. Prevent damage to natural surroundings. Restore damaged areas, repairing or replacing damaged trees and plants, at no additional expense to the Government.

2. Provide temporary barriers to protect existing trees and plants and root zones.

3. With the exception of the tree removal defined on the Contract Drawings, do not remove, injure, or destroy trees or other plants without prior approval. Consult with Contracting Officer (CO) and remove agreed-on roots and branches that interfere with construction.

4. Do not fasten ropes, cables, or guys to existing trees.

5. Carefully supervise excavating, grading, filling, and other construction operations near trees to prevent damage.

G. Driveways, Trails and Entrances: Keep driveways, trails and entrances serving premises clear and available to Government, Government's employees, hikers, mule trains, and emergency vehicles at all times. Do not use these areas for parking or storage of materials.

1. Schedule deliveries to minimize impacts to trails and visitors.

2. Schedule deliveries to minimize space and time requirements for storage of materials and equipment on-site.

3. No mechanized ground transportation equipment is permitted on Innercanyon trails outside of the limits of construction.

4. See Section 01 73 50 – Trail Access Management for additional requirements.

5. Deliveries shall not impact driveways and entrances used by helibase staff.

6. Minimal storage of equipment should occur within the helibase. Materials shall be stored, fabricated, and transported from the contractor’s storage area within the Contractor Support Facilities site.

H. Construction Camps: Establishment of construction camps is permitted at certain sites within the Innercanyon. Adhere to park rules, animal deterrent policies, cleanliness policies, and return site to previous condition at completion of work.

1. Campgrounds: Contactor use of campgrounds are to coincide with campground closures with Contractor use durations defined Part 1.7 Public Use of Site within this specification section.

2. Phantom Ranch Accommodations: The Contractor has the option of using the existing Concessionaire managed facilities at Phantom Ranch during the closure period defined Part

1.7 Public Use of Site within this specification section. Specifically, the Contractor can use cabins, Shower House, and linen services with management provided by the Concessionaire.

The Cantina and kitchen are not available for Contractor use. Contractor use is based on the following conditions:

a. Duration: The Contactor can use the available Phantom Ranch facilities for a period between 8 months up to a maximum of 12 months.

b. Dormitories:

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1) Dorms are equipped with a shower, shared restroom, and heating/air conditioning.

2) Four (4) separate dorms with ten (10) beds each.

3) Cost: $620/night per dorm.

c. Cabins:

1) Cabins are equipped with, a cold water sink, toilet, and heating/air conditioning;

cabin guests shower in the centrally located Shower House.

2) Regular cabins: Four (4) cabins with four (4) beds each. $360/night per cabin.

a) Note there are five (5) additional regular cabins at Phantom Ranch that are reserved for NPS use.

3) Large cabins: Two (2) cabins with ten (10) beds each. $900/night per cabin.

d. Note that rates and durations are subject to final coordination with the Concessionaire.

The resulting agreement is between the Concessionaire and the Contractor with payment made directly to the Concessionaire.

3. See Section 01 73 60 – Contractor Construction Camps for additional details and requirements.

I. Hauling Restrictions: Comply with all legal load restrictions in the hauling of materials. Load restrictions on park roads are identical to the state load restrictions with such additional regulations as may be imposed by the Park Superintendent. Information regarding rules and regulations for vehicular traffic on park roads may be obtained from the Office of the Park Superintendent. The Contractor shall be liable for damage which directly results from moving of equipment.

1. State Route 64 is heavily used for visitor traffic and park operations. Traffic backups occur frequently, and specifically between the hours of 10 am and 2 pm year around, and 8 am to 5 pm during peak periods. Contractor shall not impede flow of traffic and equipment and material deliveries at any time.

2. Contractor shall use the south entrance gate and marked vehicles are allowed to use the access road marked for “official use only” to bypass the ranger kiosks. The State Route 64 access to this bypass is near the kiosks and is subject to the same backups as visitor traffic entering the Park. Contractor personnel in marked vehicles are not required to pay Park entrance fees.

Contractor shall not use the east entrance gate into the Park.

3. Shuttle Bus Road is the primary access route for FMD, helibase, and the wildland fire garage.

Contractor shall not normally use Shuttle Bus Road or associate parking facilities for construction purposes.

J. Mule Trains:

1. Work restrictions adjacent to mule train routes: The Contractor will be required to temporarily stop construction activities to allow mule trains to pass the work area. The NPS and Concessionaire have established mule train schedules for coordination of access times.

Anticipate approximately 2 mule trains per day along the Bright Angel Trail and River Trail segments.

2. The Contractor can, at its option, contract with the Concessionaire for mule train services.

The Government will not have any responsibility for scheduling and managing Contractor- Concessionaire mule services.

1.7 PUBLIC USE OF SITE

A. Contractor shall at all times conduct operations to ensure the least inconvenience to the public.

B. The following areas will be closed to the public during construction and/or will require managed access to the public.

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1. Project Area 01 – South Rim WTFs.

a. The trails and roads within the limits of construction will be closed to the public during construction.

b. The Greenway Trail will require selective, short duration closures to facilitate new utility crossings and construction access.

2. Project Areas 02 – 05 (Innercanyon Work)

a. Trail closures will be permitted in certain areas. See Section 01 73 50 – Trail Access Management for more details.

b. Public campground closures are permitted as follows:

1) Havasupai Gardens Campground closures:

a) Allowable during construction activities associated with replacement of the water distribution system (Project Area 03) for a maximum period of 4 months.

b) Allowable for Contractor occupancy of select campground sites associated with use as a Contractor Construction Camp for a maximum period of 12 months. See Section 01 73 60 – Contractor Construction Camps.

2) Cottonwood Campground closure:

a) Allowable during construction activities associated with rehabilitation of the TCWL between Roaring Springs and Cottonwood (Project Area 05) for a maximum period of 2 months.

b) Allowable for Contractor occupancy of select campground sites associated with use as a Contractor Construction Camp for a maximum period of 4 months. See Section 01 73 60 – Contractor Construction Camps.

c. Closure of the Phantom Ranch developed area will be permitted as follows:

1) Bright Angel Campground closures:

a) Allowable during construction activities associated with replacement of the water and electrical distribution systems (Project Area 04) for a maximum period of 4 months.

b) Allowable for Contractor occupancy of select campground sites associated with use as a Contractor Construction Camp for a maximum period of 16 months. See Section 01 73 60 – Contractor Construction Camps.

2) Phantom Ranch Lodges closures:

a) Allowable during construction activities associated with replacement of the water and electrical distribution systems.

C. The Arizona Trail crosses the access road to contractor support facilities. The Arizona Trail shall remain open to the public during construction and adequate access shall be maintained by the Contractor at all times. Contractor shall provide temporary signs and protection of trail users as required.

1.8 OCCUPANCY REQUIRMENTS FOR BUILIDINGS

A. Existing Buildings and Facilities

1. Cooperate with Government during construction operations to minimize conflicts and facilitate Government usage, should access be needed to the facility during construction.

Perform the Work so as not to interfere with Government’s operations. Maintain existing exits, unless otherwise indicated.

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2. Maintain access to existing walkways, corridors, and other adjacent occupied or used facilities. Do not close or obstruct walkways, corridors, or other occupied or used facilities without written permission from the CO.

3. Existing NPS Helibase Building: Contractor shall not access the existing helibase building, recently constructed for NPS use, without permission of the contracting officer and escort by a helibase operations supervisor.

B. New Buildings

1. Government Occupancy of Completed Areas of Construction: Government reserves right to occupy and to place and install equipment in completed areas of building, provided such occupancy does not interfere with completion of the Work. Such placement of equipment and partial occupancy shall not constitute acceptance of the entire project.

a. The CO will prepare a Beneficial Occupancy letter for each specific portion of the Work to be occupied before Government occupancy.

b. Contractor shall obtain a Certificate of Occupancy from National Park Service (NPS) before Government occupancy.

c. Before partial Government occupancy, mechanical and electrical systems shall be fully operational, and required tests and inspections shall be successfully completed. On occupancy, Government will operate and maintain mechanical and electrical systems serving occupied portions of building.

d. On occupancy, Government will assume responsibility for maintenance and custodial service for occupied portions of building.

1.9 CONDUCT OF OPERATIONS

A. At all times, the Contractor shall conduct their operations in conformance with the rules and regulations promulgated by the Secretary of the Interior for the NPS, and applicable park rules and regulations prescribed by the Park Superintendent.

B. Work on Federal holidays or at night may not be performed without prior consent from the CO. Submit requests 5 business days in advance of the work to the CO for approval.

C. No signs or advertisements (except those specified herein) shall be displayed on the construction site or within the park unless approved by the CO.

1.10 WORK RESTRICTIONS

A. On-Site Work Hours,

1. South Rim work activities: Work shall be generally performed during normal business working hours of 6:00 a.m. to 6:00 p.m., Monday through Friday, except when otherwise indicated.

a. Weekend Hours: Specific work hours to be determined on a case-by-case basis when obtaining consent for weekend work from the CO.

2. Innercanyon work activities: Work shall be generally performed Monday through Sunday.

Working hours are to be confined to Daylight Hours as defined by seasonal sunrise and sunset times.

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3. Hours and workdays for noise intensive activities including rock crushing, drilling, blasting and similar activities shall be coordinated with the CO a minimum of 72 hours in advance.

4. Night work will not be permitted as part of this project. However, there may be some instances when crews mobilize to or from the work site at dawn or dusk, or may need to finish a task at the end of the day. Such instances will only be permitted if they will be short-term, require minimal equipment, and will not occur within 0.5 mile of Mexican spotted owl PAC boundaries.

a. Any night work must be approved by the COR. Safety, visitor impacts, and resource impacts would be reviewed before any approved night work can occur.

B. Existing Utilities

1. Existing Utilities:

a. Existing utilities shown on the Drawings are based on NPS provided data from previous projects and/or geographic information system data. Utilities have been surveyed where visible from the surface.

b. Notify the CO and utility companies of proposed locations and times for excavation.

2. Contractor shall be responsible for locating and preventing damage to known utilities. If damage occurs, repair utility at no additional expense to the Government.

3. If damage occurs to an unknown utility, repair utility. An equitable adjustment will be made in accordance with the Changes clause of the Contract.

C. Existing Utility Interruptions: Do not interrupt utilities serving facilities occupied by Government or others unless permitted under the following conditions and then only after arranging to provide temporary utility services according to requirements indicated:

1. Notify the CO not less than fourteen days in advance of proposed…