Attachment_1_Scope_of_Work.pdf

North Cascades National Park Service Complex Washington

SOLICITATION P15PS00940, Attachment 1

Scope of Work: Replace HVAC System at North Cascades Visitor Center, Newhalem

NATIONAL PARK SERVICE

PACIFIC WEST REGION

NOCA PMIS 147903

FY15 Replace HVAC system at visitor center (PMIS 147903) North Cascades NPS Complex Attachment 1: Scope of Work

Table of Contents

1.0 PROJECT INTRODUCTION

1.1 SCOPE

1.2 FUNDING LIMITATIONS

1.3 LOCATION

1.4 BACKGROUND

1.5 DESCRIPTION

1.6 SCHEDULE

1.7 NPS POINTS OF CONTACT

1.8 DATA AND MATERIALS TO BE PROVIDED BY THE NPS

2.0 PROJECT REQUIREMENTS

2.1 GENERAL REQUIREMENTS

2.1.1 SCOPE OF WORK

2.1.2 PROJECT SUMMARY

2.1.3 DEFINITION OF CONTRACT LINE ITEMS

2.1.4 PROGRESS PAYMENTS

2.1.5 PROJECT MEETINGS

2.1.6 PROJECT SCHEDULE

2.2 DESIGN REQUIREMENTS

2.2.1 DESIGN DEVELOPMENT AND CONSTRUCTION DOCUMENTS

2.2.2 ENVIRONMENTAL AND SUSTAINABILITY REQUIREMENTS FOR

DESIGN

2.3 CONSTRUCTION REQUIREMENTS

2.3.1 ENVIRONMENTAL AND SUSTAINABILITY REQUIREMENTS FOR

CONSTRUCTION

2.3.2 SCHEDULE OF VALUES

2.3.3 CONSTRUCTION SUPPORT

2.3.4 SUBMITTALS DURING CONSTRUCTION

2.3.5 DIGITAL PHOTOGRAPHS:

2.3.6 QUALITY CONTROL

2.3.7 WORKING HOUR RESTRICTIONS

2.3.8 TEMPORARY SERVICES

2.3.9 ACCESS

2.3.10 PRESERVATION OF ADJACENT FEATURES

2.3.11 EXISTING UTILITIES

2.3.12 HAULING RESTRICTIONS

2.3.13 ACCIDENT PREVENTION

2.3.14 TEMPORARY CONTROLS

2.3.15 PROJECT CLOSE-OUT

2.3.16 SUBSTANTIAL COMPLETION AND FINAL INSPECTION

2.4 FORMS

3.0 PERFORMANCE REQUIREMENTS

3.1 DESIGN IMPERATIVES

3.2 SUSTAINABILITY

3.3 INTEGRATED DESIGN PRINCIPLES

3.4 ELEMENTS AND PRODUCTS

4.0 TECHNICAL REQUIREMENTS

D SERVICES (HVAC AND ELECTRICAL)

1.0 PROJECT INTRODUCTION

Project Name: Replace HVAC System at North Cascades Visitor Center

Project Number: PMIS 147903

1.1 Scope

In accordance with the terms and conditions of the Contract, the Design-Build Contractor (DBC) shall perform the work of this Request for Proposal (RFP) for the National Park Service (NPS) as described below.

All Architect-Engineer (A-E) Services required in this RFP shall be performed by licensed Architects and Engineers registered in the State of Washington.

The work of this RFP shall be performed in accordance with the Denver Service Center (DSC) Design-Build (DB) Workflow Website http://www.nps.gov/dsc/workflows/designbuild.htm.

Listed on the DB homepage are design phases which describe the workflow process from Predesign through DB Construction Documents. Each phase has significant amounts of hypertext that links to definitions, forms, templates, samples and guidelines. In addition to the design phases there is an Information link where the definition glossary, laws, polices, guidelines, design standards, design deliverable content and format requirements, and other categories of useful information such as the “DSC Technical Bulletins” are located.

In case of conflict between this RFP and the DSC DB Workflow Website, http://www.nps.gov/dsc/workflows/designbuild.htm, this RFP will take precedence over and will be used in lieu of such conflicting portions.

The A-E remains fully responsible for determining if the standards or provisions cited on the DSC DB Workflow Website, http://www.nps.gov/dsc/workflows/designbuild.htm, have been revised or updated. Any such conflicts between the website and the identified standard or provisions shall be brought to the attention of the Contracting Officer (CO) requesting direction.

1.2 Funding Limitations

The DBC Team is responsible for providing all design and construction services required for the final total lump-sum firm-fixed amount negotiated with the DBC. The total contract value of all design and construction services is estimated to be between $250,000 and $500,000.

1.3 Location

This project is located at the North Cascade Visitor Center, Newhalem, mile post 120 on State Route 20, Washington. Information about the park is available at www.NPS.gov/NOCA.

http://www.nps.gov/dsc/workflows/designbuild.htm http://www.nps.gov/NOCA

1.4 Background

The 11,930 square foot North Cascade Visitor Center was built in 1991. The building is heated by a 234M BTU and cooled by a 282M BTU, 8,400 CFM air handling unit (AHU) heat pump (Trane model TWA24083) with 45KW auxiliary supplemental heating coil. The system is distributed with eleven variable air volume (VAV) units, ten of which are fan-powered with electric re-heat (3-7.5KW). The VAV boxes are located throughout the building, within the ceiling space, as identified in the attached construction drawings. The existing heating and cooling system was installed at the time of building construction and continues to be controlled via an MS-DOS operating system from that era. There is one 750 watt supplemental radiant ceiling panel in both the Men’s and Women’s bathrooms, and one 500 watt baseboard heater in both the elevator mechanical room and the fire riser room. The fire riser room is labeled on the attached construction drawings as a mechanical room in the southwest corner of the first floor.

No asbestos or lead testing has been conducted at the North Cascades Visitor Center.

1.5 Description

This project will be performed as a design-build project to rehabilitate the above heating, cooling and control system and associated electrical and ductwork as detailed hereafter. The Contractor shall provide all material, installation and management labor, transportation, engineering, administrative and other services to complete the proposed HVAC upgrades as specified below.

Contractor shall include all costs to execute a turnkey project including removal and replacement of existing equipment, activation and testing/commissioning, disposal/recycling of removed material according to appropriate codes to make the HVAC work complete and operable. As this is a DB project, current equipment sizes/capacities are referenced, but the intent of the contract is to provide new/upgraded system(s) that meet load demand, current code compliance and the requirement to be operator-friendly. Changes to equipment sizes/capacities are acceptable if supported fully with engineering calculations.

1.6 Schedule

The contract work shall be completed in accordance with the following schedule:

100% Draft DB Construction Documents:

DBC shall provide 100% Draft DB Construction Documents no later than 35 calendar days after award.

NPS will provide review comments no later than 10 calendar days after receipt of 100% Draft DB Construction Documents.

Complete Stamped and Signed DB Construction Documents:

DBC shall submit complete stamped and signed DB Construction Documents and written responses to the NPS 100% Draft DB Construction Document review comments no later than 20 calendar days after receipt of NPS 100% Draft DB Construction Document review comments.

Construction:

NPS Contracting Officer will issue a Notice to Proceed (NTP) with construction when appropriate, but not before 9/7/2015 to limit park visitor and DBC interactions during onsite work. DBC shall start work within 15 calendar days and complete construction no later than 120 calendar days after issuance of the NTP; refer to FAR clause 52.211-10.

As-Constructed Drawings:

DBC shall submit As-Constructed Drawings no later than 21 calendar days after Substantial Completion.

All DB Design Development, DB Construction Documents and As-Constructed Drawings shall be submitted to the NPS Project Manager.

1.7 NPS Points of Contact

Contractual: Contracting Officer (CO): Ms. Sarah Welch, 360-854-7220, Sarah_Welch@nps.gov, 810 State Route 20, Sedro-Woolley WA 98284.

Technical: Contracting Officer’s Representative (COR): Ms. Hoa Lam, Civil Engineer, 206-220-4268, Hoa_Lam@nps.gov, 909 First Ave, Seattle WA 98104-1059

1.8 Data and Materials to be provided by the NPS

The following drawings are provided as Attachments:

Site Plan and Equipment General Layout.

Selected drawings from NOCA 168/41074, North Cascade Visitor Center, June 1990.

Site Utilities Architectural Structural Mechanical and Electrical mailto:Sarah_Welch@nps.gov

2.0 PROJECT REQUIREMENTS

2.1 General Requirements

2.1.1 Scope of Work

The project will consist of the design and construction of the HVAC system. The project will include, but not be limited to, the following:

• Upon award, provide schedule of design work.

• Submit Design Development and Construction Documents for review and approval.

• Provide schedule of construction work.

• Secure work area and provide for continued access to the facility.

• Construct project.

• Create and provide operations and maintenance manual.

• Provide training.

• Provide as-constructed drawings.

2.1.2 Project Summary

The end result of the preferred project (“BASIC”) is total system replacement:

i. Remove existing outdoor heat pump condensing unit and refrigeration piping. Cap and abandon existing refrigerant piping in place below ground. Remove refrigerant piping where accessible and exposed. Existing refrigerant line set is shown in the attached construction drawings.

ii. Install new remote condensing heat pump unit at location as shown on attached Site Plan and Equipment General Layout drawings. The contractor shall be responsible for providing new buried refrigerant lines and all ancillary components for a complete construction. Refrigerant lines to enter building below grade and rise up in corner of existing fire riser room, which is labeled on the attached construction drawings as a mechanical room in the southwest corner of the first floor. Note the size and dimensions, including depth, of the rock facing and concrete footing that new refrigerant lines will need to run beneath before entering the mechanical room via below-ground penetration. The upper wall of the first floor mechanical room is adjacent to the second floor HVAC mechanical room and can be penetrated to route lines to the AHU location within the building structure. Power should be run along this same route.

iii. Replace existing constant volume air handler unit (AHU) with a variable volume

AHU of similar capacity.

iv. Provide and install new variable frequency drives (VFD’s) and BACnet Testing Laboratory (BTL) listed native BACnet web-enabled BACnet Operator Workstation (B-OWS) main building control panel. All graphics, programming, and internet access shall be accomplished directly with this control panel without the need for a front end PC or any additional interface software. Demolish and replace existing

AHU controls and thermostats with web-based programmable direct digital control (DDC) option. DBC shall determine the installation method based on analysis of building dimensions, proposed equipment, and ingress/egress routes. DBC shall repair any damage done to the building or grounds during construction prior to final inspection and at no additional expense to the NPS.

v. Replace existing fan powered VAV boxes with “like for like” which include new electric resistant heat. Existing VAV boxes are located on the second floor above the ceiling grid and panel system, with is paneled on a 2’ x 2’ grid. Ceiling panels may be difficult to match given their age and condition. It will be DBC’s choice to reuse or replace grid and panels; if replacing a section, match existing. The NPS will not consider proposals for wireless communication for VAV boxes or thermostats.

vi. Replace wall mounted unit heaters in fire riser room, elevator mechanical room, and eastern employee entry. Provide new local thermostat with locking mechanism.

vii. Replace radiant panel, like for like, in men’s and women’s restroom and provide new local thermostats with locking mechanism.

viii. Provide BTL listed native BACnet DDC controllers and sensors for VAV boxes, AHU control, VFD control interface and new control wiring. Environmental management system (EMS) shall be BTL listed native BACnet and non-proprietary.

Information on the DDC system shall be accessible via the internet with web browser.

All spaces shall have wall-mounted temperature sensors only. Based on NPS observation, existing thermostat wiring generally runs through rigid conduit to individual rooms, and plenum-rated wiring has been used for wire hung within a room. Thus conduit is not continuous throughout the rooms.

ix. Installation shall include tying the new DDC control system into the AHU, VAV boxes, outside air louvers and duct smoke detectors. Stand-alone baseboard heaters, radiant ceiling panels, and existing exhaust fans do not need to be incorporated into the DDC control network. Provide space CO2 sensors along with outside air CO2 sensor reference for demand control ventilation in the Audio/Visual (Auditorium) and Exhibit rooms. NPS will ensure that a Cat 5 network cable is installed and routed to the location of the existing control panel in the second floor HVAC mechanical room.

The NPS will replace the existing internet cable if needed to ensure compatibility with the approved design. Contractor shall provide fully operational system with start-up and training included.

x. Provide and install approximately four feet of ducting on the return inlet to the air handler for proper installation of the existing duct smoke detector. Remove and reinstall duct smoke detector.

xi. Remove and reinstall existing smoke detectors and fire alarm components as required with the scope of this replacement. Retest existing fire alarm system for proper operation at project completion.

xii. DBC shall provide economizer on air handling system and provide associated building relief fan. The economizer system shall be designed to modulate the supply and return dampers to maintain either the mixed air temperature, or in sequence with the heating and cooling coils to maintain the discharge air temperature or zone temperature. Associated motorized dampers shall be provided to ensure functional system as described above. In addition to these temperature control related functions, the control of the relief exhaust fan must also be integrated with the operation of the return and outdoor air dampers. The relief exhaust air fan shall be provided with VFD type and to maintain appropriate building pressure with maximum 85% capacity of supply fan. The relief fan shall be provided with room pressure sensors and associated building relief louver with minimum 10’ clearance from intake. DBC shall utilize the existing plenum for the return relief route.

The Government’s preference is to award as described above (“BASIC”), if the total price of the best value offer is within the available funding. However, ALTERNATE A or ALTERNATE B may be awarded instead, solely at the discretion of the Government.

ALTERNATE A:

This item replaces work in paragraph iii of the BASIC description with the following; all other work remains the same:

i. In lieu of air handler replacement, modify air handler unit (AHU) constant air volume system to a variable air volume system. Provide and install new fan motor, VFD’s, EMS system and front end control system. Ensure refurbished AHU is fully functional.

ALTERNATE B:

This item replaces work in paragraphs iii and v of the BASIC description with the following;

all other work remains the same:

i. In lieu of air handler replacement, modify air handler unit (AHU) constant air volume system to a variable air volume system. Provide and install new fan motor, VFD’s, EMS system and front end control system. Ensure refurbished AHU is fully functional.

ii. Clean, service and repair as required, all fan-powered VAV boxes.

2.1.3 Definition of Contract Line Items

The intent of this section is to explain, in general, what is included in each contract line item shown in Section B of the Request for Proposals, limits or cut-off points where one item ends and another begins. If no item exists for a portion of the work, include the costs in a related line item on the Price Schedule in Section B. Upon award, the Contractor shall provide a schedule of values to assist in performance monitoring and payment determination.

Item 1 – System Design This item includes all required material, labor, and equipment by the necessary professional disciplines to verify load calculations, complete the design, and provide pre-construction deliverables.

Item 2 – HVAC System (Basic) This item includes all required materials, labor, and equipment to:

• Remove existing outdoor heat pump condensing unit and refrigeration piping;

• Cap and abandon existing refrigerant piping in place below ground;

• Remove refrigerant piping where accessible and exposed;

• Install new remote condensing heat pump unit and piping at location as shown on drawings;

• Replace existing constant air volume air handler with a variable air volume air handler of like capacity and provide and install new variable frequency drives (VFD’s);

• Replace existing fan powered VAV boxes with “like for like” which include new electric resistant heat;

• Replace wall mounted unit heaters in elevator mechanical room, fire riser room, and employee entry, and provide new local thermostats;

• Replace radiant panel, like for like, in men’s and women’s restroom and provide new local thermostats;

• Provide and install approximately four feet of ducting on the return inlet to the air handler for proper installation of the existing duct smoke detector and remove and reinstall duct smoke detector;

• Remove and reinstall existing smoke detectors and fire alarm components as required with the scope of this replacement;

• Re-test existing fire alarm system for proper operation at project completion; and

• Provide economizer and building relief fan on air handling system.

Item 2a – HVAC System (Alternate A)

• In lieu of air handler replacement, modify air handler unit (AHU) constant air volume system to a variable air volume system. Provide and install new fan motor, VFD’s, EMS system and front end control system. Ensure refurbished AHU is fully functional.

• All other work under this contract line item remains the same as described in Item 2.

Item 2b – HVAC System (Alternate B)

• In lieu of air handler replacement, modify air handler unit (AHU) constant air volume system to a variable air volume system. Provide and install new fan motor, VFD’s, EMS system and front end control system. Ensure refurbished AHU is fully functional.

• In lieu of replacing existing fan-powered VAV boxes, clean, service and repair as required, all existing fan-powered VAV boxes.

• All other work under this contract line item remains the same as described in Item 2.

Item 3 – HVAC Controls This item includes all required materials, labor, and equipment to:

• Demolish and replace existing AHU controls and thermostats with web-based programmable direct digital control (DDC) option;

• Provide BTL listed and non-proprietary native BACnet DDC controllers and sensors for VAV boxes, AHU control, VFD control interface and new control wiring

(Information on the DDC system shall be accessible via the internet with web browser). Public spaces shall have wall mounted temperature sensors only; and office areas shall be provided with adjustable thermostats with readout and override switch;

• Tie the new DDC control system into the AHU, VAV boxes, outside air louvers and duct smoke detectors;

• Provide space CO2 sensors along with outside air CO2 sensor reference for demand control ventilation; and

• Provide BACnet web-enabled BACnet Operator Workstation (B-OWS) main building control panel. All graphics, programming, and internet access shall be accomplished directly with this control panel without the need for a front end PC or any additional interface software.

Item 4 – Testing and Balancing This item includes all required materials, labor and equipment to perform testing and balancing to ensure system performs as designed. Testing and balancing shall be completed by a commissioning agent licensed by the National Environmental Balancing Bureau.

Item 5 – Electrical This item includes all required materials, labor and equipment to provide a complete and functional electrical support system.

Item 6 – Site Work This item includes all required materials, labor and equipment to demolish existing equipment pad, construct new equipment pad, and trenching and backfill of new refrigerant and electrical conduits. Refrigerant lines shall enter building below grade and rise up in corner of existing fire riser room.

2.1.4 Progress Payments

Design Phase - Progress payments during the design phase of the work will be based on submission, review, and acceptance of design deliverables.

Construction Phase - Progress payments during construction will be based on the percentage of work completed on items listed on the approved schedule of values. Actual construction completed and in place will form the basis for payment. Verification of the percentage of work completed shall be initiated by the Contractor under the direction of the Contracting Officer’s Representative (COR), unless the Contracting Officer (CO) waives this requirement in a specific instance. The Contractor shall make the computations for invoicing based on the NPS’s verification of work completed for the period for which progress payment is requested.

2.1.5 Project Meetings

Design Meeting

After the award of the contract and acceptance of the liability insurance certificate and Performance and Payment bonds, the CO will arrange a design meeting with the DBC, which may be held as a teleconference. The meeting agenda will include the following as a minimum:

• Review and emphasize the Park needs and design objectives.

• Environmental and sustainability requirements

• Commissioning

• Schedule of Values

• Design schedule

• Modifications during design

• Submittals during design

• Areas available for use by the DBC

• Access requirements of the Park

• Resource protection

• Payments to the DBC

Preconstruction Meeting The CO will arrange an on-site Preconstruction Meeting with the DBC to occur after 100% Complete DB Construction Documents are approved and prior to issuance of the Notice to Proceed.

DBC shall submit the following documents to the COR at least one week prior to the Preconstruction Meeting.

• Project Superintendent designation . Note that this should be the same person designated on the Key Personnel form submitted with the offer. If the Contractor wishes to substitute another person, they must meet or exceed the qualifications of the original Key Personnel. Provide new completed Key Personnel form with the designation, if substituting.

• Project Schedule with construction portion fully developed.

• Accident Prevention Program

• A list of subcontractors for this project

• Waste Management Plan

• Quality Control Plan

• Contractor’s Testing and Commissioning Plan

The preconstruction meeting agenda will include the following as a minimum:

• Correspondence procedures

• Roles and responsibilities

• Limits of Authority

• Payment procedures

• Submittal process

• Construction schedule. Note: No portion of the construction work can begin until 100%

Complete DB Construction Documents are approved for that portion and any other portion of the work that may be affected by it.

• Labor standards

• Payroll reports

• Modification procedures

• Accident reporting

• Park rules and regulations

• Environmental and sustainability requirements for the project

• Resource protection requirements

• Work on Saturdays, Sundays, holidays, and nights

Progress Meetings The DBC shall participate in approximately biweekly telephone conference calls with the Contracting Officer and other project team members to update them on the items below as appropriate. The DBC is responsible for the minutes of the meetings.

• Approval of minutes of previous meetings

• Submittal status

• Review of off-site fabrication and delivery

• Requests for Information (RFI’s) and issues

• Status of contract modifications

• Work in progress and projected

• Schedule update (provide updated schedule as needed)

• Status of Project Record Drawings and O&M Manuals

• Other business relating to work

2.1.6 Project Schedule

General: The schedule shall be in Gantt chart format in Adobe PDF file and include a detailed design phase with design deliverable submission dates, review periods, and a summary construction schedule with important milestones included for both phases. Fully develop the construction portion of the schedule and submit to the Contracting Officer before the Preconstruction meeting.

Purpose: The purpose of the project schedule is to ensure adequate planning, coordination, scheduling, and reporting during execution of design and construction activities of the DBC. The project schedule will assist the DBC and the Contracting Officer in monitoring the progress of the work, evaluating proposed changes, and processing the DBC's monthly progress payment requests

Schedule Development: The project schedule shall cover the entire contract period. The late finish date of the project schedule shall be the same date as the established completion date of the contract.

The DBC shall use the Critical Path Method (CPM) with limited use of lead or lag durations between schedule activities. The DBC's project schedule shall consist of procurement activities (including mobilization, submittal, and the fabrication and delivery of key and long-lead procurement items) and construction activities.

In developing the project schedule, the DBC shall be responsible for ensuring that subcontractor work at all tiers, as well as its own work, is included in the project schedule.

The project schedule shall show the sequence and interdependence of activities required for complete performance of the work. The DBC shall be responsible for ensuring all work sequences are logical and the project schedule shows a coordinated work plan. Proposed durations assigned to each activity shall be the DBC's best estimate of time required to complete the activity. Resource loading of each activity shall list all personnel by labor category and equipment type and capacity proposed to complete the activity in the duration shown. Include permit requirements and constraints. Seasonal weather conditions shall be considered and included in the planning and scheduling of all work influenced by high or low ambient temperatures, wind and/or precipitation to ensure completion of all work within the contract time.

Project Schedule Updates: The DBC shall update the project schedule monthly, or notify the COR that all work is as scheduled. The monthly updating of the project schedule shall be an integral part and basic element of the estimate upon which progress payments shall be made under this contract.

Time Impact Analysis for Contract Modifications, Changes, Delays, and Contractor Requests Requirements: When contract modifications or changes are initiated, delays are experienced, or the DBC desires to revise the project schedule, the DBC shall submit to the Contracting Officer a written time impact analysis illustrating the influence of each modification, change, delay, or DBC request on the contract time.

Time Extensions: Activity delays shall not automatically mean that an extension of the contract time is warranted or due the DBC. It is possible that a modification, change, or delay will not affect existing critical activities or cause non-critical activities to become critical. A modification, change, or delay may result in only absorbing a part of the available total float that may exist within an activity chain of the project schedule, thereby not causing any effect on the contract time. Time extensions will be granted in accordance with the terms of the contract.

Float: Float is not for the exclusive use or benefit of either the National Park Service or the DBC. Extension of the contract time will be granted only to the extent the equitable time adjustments to the activity or activities affected by the modification, change, or delay exceeds the total (positive or zero) float available on a particular activity.

2.2 Design Requirements

2.2.1 Design Development and Construction Documents

This element of work shall consist of the preparation of the Design Development Documents and Construction Documents. All documents shall be prepared using the English System of Weights and Measurements, and shall be prepared in accordance with the DSC Design Standards.

http://www.nps.gov/dsc/workflows/dstandards.htm

Refer to the DSC Workflows Website for detailed information and requirements for preparation of DB Design Development Documents and DB Construction Documents.

Deliverables The following deliverables are required (refer to Section 1.6 for schedule):

Construction Documents

100% Draft Construction Documents

• Documents for NPS Review:

Submit 3 paper copies of the following 100% Draft Construction Documents for review:

• Construction Drawings

• Product File

• Design Calculations

Submit one electronic copy of the 100% Draft Construction documents.

Complete Stamped and Signed DB Construction Documents Address and incorporate 100% Draft Construction Documents comments into the complete stamped and signed Construction Documents and submit, for approval, per the following table.

COMPLETE STAMPED AND

SIGNED DB

CONSTRUCTION

DOCUMENTS

ELECTRONIC

FORMATS *

HARDCOPY

FORMATs

Drawings AutoCAD

PDF

Full-Size Paper

(ANSI D)

2 sets

Half-Size Paper 2 sets

Product File PDF N/A Design Calculations PDF N/A Written responses to the 100% Draft Construction Documents review comments

PDF & MS-

Excel N/A

2.2.2 Environmental and Sustainability Requirements for Design

The National Park Service has established environmental and sustainability requirements for the project. Notify the CO if conflicts arise between performance of the work and environmental and sustainability requirements. The National Park Service does not intend to limit alternative means of achieving these requirements.

http://www.nps.gov/dsc/workflows/dstandards.htm http://www.nps.gov/dsc/workflows/del_designdevelopdb.htm http://www.nps.gov/dsc/workflows/del_constructiondb.htm

Specific sustainability requirements for design may be found in Part 3, Performance Requirements.

2.3 Construction Requirements

2.3.1 Environmental and Sustainability Requirements

The following are general requirements:

• Air: Employ construction practices that minimize dust production and combustion byproducts.

• Water: Avoid materials that can leach toxic chemicals into the ground water. Do not allow toxic chemicals to enter sewers or storm drains.

• Noise: Minimize noise generation during construction. Operate power equipment in accordance with local noise restrictions.

• Waste Management Goals: Employ processes that ensure the generation of as little waste as possible.

• Recycling: Recycle as much as practicable all material removed from this project including equipment, components, and packaging material.

• All material unsuitable for recycling must be disposed of at a permitted location outside the park.

The DBC project superintendent is responsible for the instruction of workers and subcontractor, and oversight of accomplishing the environmental and sustainability requirements of this project.

Waste Management Plan: Prior to the scheduled Preconstruction meeting, the Contractor shall submit a Waste Management Plan to the Contracting Officer for approval. The plan shall include (but not be limited to) the following:

• List of the recycling facilities, reuse facilities, municipal solid waste landfills, and other disposal area(s) to be used. Include name, location, and phone number.

• List of proposed materials to be reused or recycled.

• List of materials that cannot be recycled or reused with explanation or justification.

• Storage and collection methods of waste and recyclables, handling procedures, and means of keeping recyclables free of contamination.

• Description of the means of transportation of the recyclable materials and an estimate of how often bins will need to be emptied.

• Revise and resubmit Plan as required by the Contracting Officer. Approval of the

Contractor’s Plan will not relieve the Contractor of responsibility for compliance with applicable environmental regulations.

Documentation: Document solid waste disposal, diversion, and submit completed worksheet as part of the final project submission. Use Appendix A - Project Waste Management Plan Worksheet, and report totals for all column headings. Use Appendix B for solid waste volume to weight conversions.

During the preconstruction meeting, discuss the proposed Waste Management Plan to develop mutual understanding relative to details of environmental protection.

Minimize Construction Impacts The DBC shall implement the following mitigation measures to minimize the impacts of construction activities:

Exotic Vegetation and Noxious Weeds Prevent the introduction and minimize the spread of exotic vegetation and noxious weeds. The DBC shall wash all mechanized equipment thoroughly from top to bottom before transport to NPS land. This includes the removal of all soil, seeds, vegetative matter or other debris that could contain or hold seeds. Cleaning of equipment shall not occur on NPS land. The DBC shall notify the NPS prior to moving each piece of mechanized equipment onsite. Notification will include identifying the location of the equipment’s most recent operation. The NPS will inspect each piece of equipment prior to its being placed into service. If a piece of equipment fails the inspection, the DBC is responsible for re-inspection and will bear all costs. Additionally, any fill, rock, or additional topsoil needed shall be obtained from weed-free source.

Visitor Experience The Visitor Center is seasonally opened generally from May through October. In 2014, the North Cascades Visitor Center opened for weekends starting in mid-May, shifted to daily operating hours in June, and remained open to visitors daily through the first weekend in November. Typical daily operating hours are 9 am – 6 pm, although starting September 13th, 2015 the Visitor Center may close as early as 5 pm. Actual opening and closing dates, as well as daily operating hours, will depend upon staffing and funding.

Visitor statistics for 2014 are as follows:

Month # of VC Visitors

May 3,038 June 8,334 July 15,510

August 16,607

September 9,998 October 3,978

November 172 Totals for 2014 57,637

The DBC is encouraged to schedule inside work during closure. On-site work that occurs during the open season is to be executed with caution. DBC shall minimize disruption to the main entrances and provide barricades to prevent visitors from entering the construction area. DBC might be required to provide portable fans in the lobby and auditorium if interior temperature exceeds 85°F. In addition, if work occurs during a cooler season that might approach freezing temperatures, the DBC shall ensure building interior remains above 40°F when unoccupied, and between 64°F and 66°F when occupied by visitors during normal operating hours.

Air and Water Pollution Control Air quality impacts are expected to be temporary and localized. To minimize these impacts, the DBC shall take the following actions:

To reduce tailpipe emissions, construction equipment shall not be left idling any longer than is necessary for safety and mechanical reasons.

To reduce construction dust, water shall be applied to problem areas. Equipment shall be limited to the fenced project area to minimize soil disturbance and dust generation.

Take all necessary reasonable measures to reduce air and water pollution by any material or equipment used during construction. Keep volatile wastes in covered containers.

Natural and Cultural Resources The NPS does not expect any archaeological resource issues given the previous level of clearance and ground disturbance associated with facility construction. However, NPS will provide monitors for archeological and geological resources to be present at the work site during ground-disturbing activities. The DBC shall provide schedule in advance and reasonable accommodation for the monitors to collect data. If archeological resources are discovered at the project site while the archeological monitor is absent, all work in the vicinity of the discovery must stop immediately, and the discovery must be reported to the CO.

Site Work and Access The NPS will clear and remove native vegetation down to mineral soil based on the approved siting and design requirements for the new outdoor unit and trenching between the unit and building, and clearing will be completed within two weeks of issuing the NTP. The NPS will push over trees and remove stumps. Identification and marking of actual clearing area will be completed in coordination with the DBC following design approval. No additional clearing beyond the minimum clearance requirements for accessing, constructing, and/or installing the outdoor unit via the proposed trenching route will be allowed, i.e., the DBC may not clear a separate path to access the proposed site directly from the main parking lot. DBC is responsible for ensuring trench corridor is returned to pre-excavation conditions; the NPS will complete any revegetation.

Note that site access via sidewalk maybe limited to a maximum ground-level width of approximately 52” by architectural features including an extension of the rock foundation footing, path lighting, and other architectural elements. Directional boring as a trenching method is acceptable to the NPS to address new trenching needs at locations with existing sidewalk crossings. Any sidewalk removal associated with new trenching must extend joint to joint and be replaced in-kind. DBC shall replace any damaged sidewalk in section joint to joint, matching existing finish.

2.3.2 Schedule of Values

After contract award and before the Design Meeting, submit a schedule of dollar values based on the Contract Price Schedule. Break down each lump-sum item into component parts for which progress payments may be requested. The Contracting Officer may request data to verify accuracy of dollar values. Include mobilization, general condition costs, overhead and profit in the total dollar value of unit price items and in the component parts of work for each lump-sum item, as described below. Do not include mobilization, general condition costs, overhead or profit as a separate item.

The total cost of all items shall equal the contract sum. The Schedule of Values will form the basis for progress payments.

An acceptable Schedule of Values shall be agreed upon by the Contractor and Contracting Officer before the first progress payment is processed. A cost loaded project schedule is an acceptable substitute for a schedule of values.

2.3.3 Construction Support

Staging Areas

DBC shall limit their construction sites to the smallest feasible area. Control ground disturbance and site management to prevent undue damage to vegetation, soils, and archeological resources and to minimize air, water, soil, and noise pollution.

Locate construction equipment and material storage in previously-disturbed areas near the construction site. All staging areas shall be returned to pre-construction conditions once construction is complete. Standards for this, and methods for determining when the standards are met, shall be developed in consultation with the CO and COR at the preconstruction meeting.

Storage Sheds: If used, provide weathertight sheds or other covered facilities for storage of materials subject to weather damage. Obtain prior approval of location from COR.

If used, all temporary water, sewer, sanitary facilities and electric utilities, shall be completely removed upon project completion. Remove temporary utility connections.

A gravel parking area (approximately 15’ x 30’) accessed via the service road just east of the Visitor Center may be designated as a staging area in addition to a portion of the RV parking lot west of the main parking lot. The location of the Staging Area for construction equipment will require COR approval.

Construction Camp: Establishment of a construction camp will not be permitted. Public camping at Newhalem Creek Campground is available on a first come first serve basis during open season. During non-work hours, Contractors are treated and can enjoy the same benefits as the visiting public when in the park. Camping in the park is limited to a total of not more than 30 days in a calendar year; provided, however, that during the period from July 1st through September 1st, camping is limited to a total of not more than 14 days. The Contractor must follow the same rules and pay the same fees as other members of the public. A valid front-country Campground Permit is required for camping at Colonial Greek, Gorge Creek, Newhalem Creek, Goodell Creek, and Upper and Lower Goodell Campgrounds (see http://www.nps.gov/noca/planyourvisit/camping.htm). Additional lodging options, including RV parks, are available in Marblemount.

Construction Zones DBC shall fence construction zones with COR-approved construction barrier fencing, plastic, or portable fencing, before any construction activity. The fencing shall define the construction zone and confine activity to the smallest area needed for construction. All protection measures shall be clearly stated in the construction specifications, and workers will be instructed to avoid conducting activities beyond the construction zone as defined by the construction zone fencing.

Protection of Public: Fence, barricade, or otherwise block off the immediate work area to prevent unauthorized entry. Erect and maintain fencing, barricades, lights, signals, and warning signs in accordance with Manual of Uniform Traffic Control Devices – latest edition.

The DBC shall protect tree trunks and root systems of trees in or adjacent to work areas.

Parking of Construction Vehicles Parking of vehicles shall be limited to existing roads, in legally designated areas, and within approved staging area(s).

2.3.4 Submittals during Construction

Material Submittal and Approval Procedures: The following submittals will require government approval prior to procurement or performance of the work. Allow 15 days for NPS review and approval:

• All submittals pertaining to HVAC system and controls http://www.nps.gov/noca/planyourvisit/camping.htm

Submit all submittals required in the Project and Performance Requirements and those marked (GOV) in the Specifications. Submit sufficient information based upon the performance specifications for the NPS to make an informed decision on compliance or lack of compliance for the items above.

Contracting Officer’s Representative (COR) Review:

Any work done or orders for materials or services placed before approval shall be at the Contractor's own risk.

The returned submittal will be marked in one of three ways as defined below:

APPROVED: Acceptable with no corrections.

APPROVED WITH NOTATIONS: Minor corrections or clarifications are required. All comments are clear and no further review is required. The Contractor shall address all review comments when proceeding with the work.

DISAPPROVED - RESUBMIT: Rejected as not in accordance with the contract or as requiring major corrections or clarifications. The COR will identify the reasons for disapproval. The Contractor shall revise and resubmit with changes clearly identified.

2.3.5 Digital Photographs During Construction:

DBC shall take appropriate digital images documenting construction progress and problems, such as capturing items that will not be seen later, etc. Maintain an index with each set of construction images that identifies the number, date, time, and description for each. Provide the images and indices to COR on a weekly basis via e-mail in an approved format.

2.3.6 Quality Control

General The quality of all work shall be the responsibility of the Contractor. Testing shall be performed by an accredited testing laboratory. Inspect and test all work as needed to ensure that the quality of materials, workmanship, construction, finish, and functional performance is in compliance with applicable specifications and drawings.

Quality Control Staff The Contractor's Quality Control Supervisor may also perform the duties of Project Superintendent.

The Contractor's designated Quality Control Supervisor shall be on the project site whenever contract work is in progress.

Testing Laboratory and Equipment:

• Employ certified independent laboratories to perform sampling and testing. The testing laboratory organization shall be certified for the type of testing work to be done.

• All measuring devices, laboratory equipment, and instruments shall be calibrated at established intervals against certified standards in accordance with National Institute of Standards and Technology requirements. Upon request, measuring and testing devices shall be made available for use by the NPS for verification tests.

Submittals

Quality Control Plan: Prior to the Preconstruction meeting, submit for approval a written Contractor Quality Control (CQC) plan.

If the plan requires any revisions or corrections, the Contractor shall resubmit the plan within 10 days.

The NPS reserves the right to require changes in the plan during the contract period as necessary to obtain the quality specified.

No change in the approved plan may be made without written concurrence by the Contracting Officer.

The plan shall include:

• A list of personnel responsible for quality control and assigned duties. Include each person's qualifications.

• A copy of a letter of direction to the Contractor's Quality Control Supervisor outlining assigned duties.

• Names, qualifications, and descriptions of laboratories to perform sampling and testing, and samples of proposed report forms.

• Methods of performing, documenting, and enforcing quality control of all work.

• Methods of monitoring and controlling environmental pollution and contamination as required by regulations and laws.

Daily Reports: Quality Control daily reports shall be completed by the DBC Quality Control Supervisor. Submit reports showing all inspections and tests on the first workday following the date covered by the report. Utilize the forms attached at the end of this section.

Quality Control Daily Reports may not be substituted for other written reports required under clauses of the contract, such as Disputes, Differing Site Conditions, or Changes.

Test Reports: Test reports shall be completed by person performing the test. The Contracting Officer may designate locations of tests. Submit Daily Test Information Sheets with Quality Control Daily Reports.

Submit failing test results and proposed remedial actions within twenty-four hours of noted deficiency.

Submit complete test results no later than one calendar day after the test was performed.

If the Quality Control Daily Reports are not submitted as specified, the Contracting Officer may retain payments for work completed on days for which there are no Quality Control daily reports.

Enforcement The Contractor shall stop work on any item or feature pending satisfactory correction of any deficiency noted by the quality control staff or the Contracting Officer.

2.3.7 Working Hour Restrictions

All work and deliveries shall be limited to the weekday hours of 7:00 am to 5:00 pm unless otherwise approved by the Contracting Officer. No work shall occur on weekends or federal holidays without prior approval from the COR.

2.3.8 Temporary Services

Temporary materials may be new or used, but must be adequate in capacity for the required usage, must not create unsafe conditions, and must not violate requirements of applicable codes and standards.

Fire Protection Equipment: Observe and enforce standards of fire prevention. Open fires are prohibited.

Vehicles and Equipment: Provide one fire extinguisher on each vehicle or piece of equipment.

Extinguishers shall have a minimum UL rating of 2-A:10-B:C. A capable and qualified person shall be placed in charge of fire protection. The responsibilities shall include locating and maintaining fire protective equipment and establishing and maintaining safe torch cutting and welding procedures.

Hazard Control: Take all necessary precautions to prevent fire during construction. Do not store flammable or combustible liquids in existing structures. Provide adequate ventilation during use of volatile or noxious substances.

Spark Arresters: Equip all gasoline or diesel powered equipment used in potential forest or grass fire locations with spark arresters approved by the U. S. Forest Service. Written determinations of areas and periods of potential fire hazard will be issued by the COR. Locate internal combustion equipment so that exhausts discharge well away from combustible materials.

Locate service areas a minimum of 50 feet from buildings. Shut down equipment before refueling.

Smoking: Smoking within buildings or temporary storage sheds, or within 15’ of any door, is prohibited.

Welding: Contractor shall weld only when adequate fire protection is provided. Prior to commencing welding, complete and submit a Hot Work Permit (HW-1, Attachment 4) to the

COR.

Telephone: The DBC may use the NPS Visitor Center phone for emergencies only. Cell phone reception is not certain at the Visitor Center.

Water: NPS shall provide limited amount of water if needed for the construction.

Sanitary Facilities: The DBC may use the public restrooms at the Visitor Center.

2.3.9 Access

Coordinate construction efforts with the Contracting Officer such that there is minimal impact to the work of the National Park Service personnel and the visiting public.

During construction of the scheduled facilities, the Design Build Contractor shall have access to the site in accordance with section 2.3.7, Working Hours Restrictions.

2.3.10 Preservation of Adjacent Features

DBC shall confine all operations to work limits of the project. Prevent damage to natural surroundings. Restore damaged areas outside the work limits, repairing or replacing damaged trees and plants, at no additional expense to the National Park Service.

Provide temporary barriers to protect existing trees, plants and root zones that are to remain in place. Do not remove, injure or destroy trees or other plants without prior approval. Remove agreed upon roots and branches that interfere with construction. Carefully supervise excavation, grading, backfilling, and other construction operations near trees and plants, to prevent damage.

If dirt, rock, or other native material removed…