A06_Attachment_0007_Div_2_Construction_Specs_44016199_0001.pdf

GUCO – 227790B TABLE OF CONTENTS - 1

TABLE OF CONTENTS

DIVISION, SECTION & PARAGRAPH NUMBERING

Numbering and lettering of sections and paragraphs in this Project Manual are merely for identification.

Sections included are listed in this Table of Contents together with the number of pages in each section.

The Contractor shall check their copies of the Project Manual against this Table of Contents and confirm there are no missing pages or sections.

Number Title No. of Pages

00 01 10 Table of Contents

DIVISION 02 – EXISTING CONDITIONS

02 05 00 General Site Construction Requirements

02 41 00 Demolition & Abandonment

DIVISION 03 – CONCRETE

03 30 00 Cast-In-Place Concrete Site Elements

03 31 00 Normal Weight Structural Concrete

DIVISION 04 – MASONRY (Section not used)

DIVISION 05 – METALS

05 50 00 Metal Fabrications

DIVISION 06 – WOOD, PLASTICS, & COMPONENTS (Section not used)

DIVISION 07 – THERMAL & MOISTURE PROTECTION (Section not used)

DIVISION 08 – OPENINGS (Section not used)

DIVISION 09 – FINISHES

09 90 00 Painting & Coating

DIVISION 10 – SPECIALTIES (Section not used)

GUCO – 227790B TABLE OF CONTENTS - 2

DIVISION 11 – EQUIPMENT

11 12 33 Parking Gates (Barrier Arm Gates)

DIVISION 12 – FURNISHINGS (Section not used)

DIVISION 13 – SPECIAL CONSTRUCTION (Section not used)

DIVISION 14 – CONVEYING EQUIPMENT (Section not used)

DIVISION 21 – FIRE SUPPRESSION (Section not used)

DIVISION 22 – PLUMBING (Section not used)

DIVISION 23 – HEATING, VENTILATING, & AIR CONDITIONING (HVAC) (Section not used)

DIVISION 25 – INTEGRATED AUTOMATION (Section not used)

DIVISION 26 – ELECTRICAL

26 00 00 Electrical General Requirements

26 05 00 Common Work Results for Electrical

26 05 19 Low Voltage Electrical Power Conductors and Cables

26 05 26 Grounding & Bonding for Electrical Systems

26 05 29 Hangers & Supports for Electrical Systems

26 05 33 Raceways & Boxes for Electrical Systems

26 05 48 Vibration & Seismic Requirements for Electrical Systems

26 05 53 Identification for Electrical Systems

26 24 16 Panelboards

26 27 00 Low-Voltage Distribution Equipment

26 28 16 Enclosed Switches & Circuit Breakers

DIVISION 27 – COMMUNICATIONS (Section not used)

DIVISION 28 – ELECTRONIC SAFETY & SECURITY

28 10 00 Access Control

GUCO – 227790B TABLE OF CONTENTS - 3

DIVISION 31 – EARTHWORK

31 10 00 Site Clearing

31 23 00 Excavation & Fill

31 23 33.20 Restoration of Surfaces

31 25 00 Erosion & Sediment Control

31 71 00 Boring & Jacking

DIVISION 32 – EXTERIOR IMPROVEMENTS

32 31 00 Aluminum Entry Gate System

DIVISION 33 – UTILITIES (Section not used)

DIVISION 34 – TRANSPORTATION (Section not used)

DIVISION 35 – WATERWAY & MARINE CONSTRUCTION (Section not used)

DIVISION 40 – PROCESS INTERCONNECTIONS (Section not used)

DIVISION 41 – MATERIAL PROCESSING & HANDLING EQUIPMENT (Section not used)

DIVISION 42 – PROCESS HEATING, COOLING, & DRYING EQUIPMENT (Section not used)

DIVISION 43 – PROCESS GAS AND LIQUID HANDLING, PURIFICATION, & STORAGE

EQUIPMENT (Section not used)

DIVISION 44 – POLLUTION CONTROL EQUIPMENT (Section not used)

DIVISION 45 – INDUSTRY – SPECIFIC MANUFACTURING EQUIPMENT (Section not used)

DIVISION 46 – WATER AND WASTEWATER EQUIPMENT (Section not used)

DIVISION 48 – ELECTRICAL POWER GENERATION (Section not used)

DIVISION 02

EXISTING CONDITIONS

GUCO – 227790B 02 05 00 - 1

GENERAL SITE CONSTRUCTION REQUIREMENTS

SECTION 02 05 00

PART 1 - GENERAL

1.1 DESCRIPTION

A. The work of this Section includes the general procedures and requirements for Site Work.

PART 2 - PRODUCTS – NOT USED

PART 3 - EXECUTION

3.1 EXAMINATION

A. Site Verification of Conditions

1. Contractor shall perform necessary potholing or locating of underground utilities and services. Perform minor, investigative excavations to verify location of various existing underground facilities at sufficient locations to assure that no conflict with the proposed work exists and sufficient clearance is available to avoid damage to existing facilities.

2. Upon discovery of conflicts or problems with existing facilities or construction documents, notify Contracting Officer (CO) within 24 hours.

3. Existing mapping may be used to approximate locations of existing utilities. Contractor is responsible for determining actual locations of all utilities.

3.2 PREPARATION

A. Protection

1. Spillage:

a. Avoid spillage by covering and securing loads when hauling on or adjacent to public streets or highways.

b. Remove spillage and sweep, wash, or otherwise clean project, streets, and highways.

2. Existing Plants and Features: Do not damage tops, trunks, and roots of existing trees and shrubs on site which are intended to remain. Do not use heavy equipment within branch spread. Interfering branches may be removed only with permission of Contracting

Officer. Do not damage other plants and features which are to remain.

3. Open Excavation: Contractor shall supply and install steel plates to cover open trenches and excavation to allow for both vehicular and pedestrian traffic access to all NPS buildings. Contractor to coordinate with the CO for project phasing that will determine the sequence of construction and areas to be protected and available for access.

GUCO – 227790B 02 05 00 - 2

3.3 REPAIR / RESTORATION - NOT USED.

3.4 FIELD QUALITY CONTROL

A. Notify CO 48 hours before performing excavation or fill work. Contractor shall coordinate with

NPS staff prior to backfill of all excavation to allow NPS staff inspection of installation of any and all utility improvements.

B. Shutdowns and service interruptions of the existing electrical system shall be minimized to the extent practical and shall follow specification requirements. Contracting officer shall be notified prior to shutdowns and service interruptions 72 hours in advance. Closures and shutdowns shall not be allowed on Fridays, Saturdays, Sundays, and holidays.

C. Contractor's phasing may vary due to means and methods, however, the intent is to keep all facilities operational with the least amount of interruption at any one time.

D. If work has been interrupted by weather, scheduling, or other reason, notify Contracting Officer

24 hours minimum prior to intended resumption of grading or compacting.

E. NPS reserves the right to require additional testing to re-affirm suitability of completed work including compacted soils that have been exposed to adverse weather conditions.

END OF SECTION

GUCO – 227790B 02 41 00 - 1

DEMOLITION & ABANDONMENT

SECTION 02 41 00

1.1 DESCRIPTIONS

A. The work of this Section includes all demolition, removal, salvage and disposal of existing structures, piping, and materials.

1.2 SUBMITTALS

A. As specified in Section 01 33 23 – Submittal Procedures

B. Certifications and Testing Requirements.

C. Permit for transport and disposal of debris.

D. Proposed method of demolition, proposed schedule, sequence of work, and proposed method and schedule for removing, maintaining, and reestablishing facilities and utilities.

1.3 SITE CONDITIONS

1. Erect barriers, fences, guardrails, enclosures, chutes, and shoring around all construction activities to protect personnel, structures, and utilities remaining intact.

2. Protect designated trees and plants from damage.

B. Maintaining Traffic

1. Assure minimum interference with roads, streets, driveways, sidewalks, and adjacent facilities.

C. Utility Lines and Services

1. Keep existing structures to remain and adjacent structures intact and in operation.

2. Obtain permission to disrupt any utilities or services temporarily or permanently.

3. Coordinate with utility company for disconnecting existing service on structures to be demolished.

4. Coordinate with Park for services to be disconnected and schedule with utility company.

Schedule and coordinate with Park and utility company far enough in advance so as to not delay work.

5. Prior to demolishing a utility or facility, notify the Project Manager 3 days in advance, and plan the demolition such that the demolition will not create an unsafe condition or interfere with ongoing operations.

GUCO – 227790B 02 41 00 - 2

6. Where demolition must occur in such a sequence that a portion of a facility must remain operational, coordinate this aspect with the Contracting Officer.

7. Do not burn waste material. All organic material removed from the construction area must be properly chipped and recycled or removed from the Park and properly disposed.

8. Provide adequate fire protection. Keep area clear of hazardous substances and debris.

9. Maintain access to exits at all time.

10. Separate demolition area from building to remain with temporary dustproof partitions.

11. Provide temporary weather protection to prevent damage to structure and interior area.

12. Explosives are not permitted.

PART 2 - PRODUCTS

2.1 INSTALLATION/APPLICATION EQUIPMENT

A. Remove existing metal swing gate and other associated features as described on the drawings or as directed by the Contracting officer.

A. Verify that areas to be demolished are unoccupied and discontinued in use.

B. Do not commence work until conditions are acceptable to Contracting Officer.

A. Arrange for and verify termination of utility services to include capping lines.

B. Remove items scheduled to be salvaged and place in designated storage area.

3.3 DEMOLITION/ABANDONMENT

A. Provide written schedule and procedures on planned equipment and existing improvements removal.

3.4 GENERAL

A. Dampen debris and use temporary enclosures as necessary to control dust.

B. Do not use water to the extent it causes flooding, contaminated runoff, or icing.

C. Break concrete and masonry into sections less than 3 feet in any dimension and dispose of off-site.

GUCO – 227790B 02 41 00 - 3

D. Repair damage to adjacent structures.

E. Make neat saw cuts around areas of concrete to be removed, where remaining concrete is to be incorporated into new work.

H. All equipment to be removed or replaced shall be done in a safe manner and such that the equipment and any associated piping or wiring is not damaged.

I. All debris from demolition and abandonment shall be removed off the Park and disposed of in a legal manner. Any material which the Contracting Officer may wish to salvage shall be cleaned and stored per the Contracting Officer’s direction and requirements of this specification.

3.5 HAZARDOUS MATERIALS

A. If suspected hazardous materials are encountered during demolition of existing facilities, all work is to be stopped immediately and the Contracting Officer/Project Manager is to be immediately notified.

3.6 DISPOSAL

A. Place demolition debris in debris boxes onsite for weekly removal.

B. Dispose of unsuitable and excess material off-site. Contractor shall recycle all recyclable demolished materials. Contractor shall submit names and contact information for proposed recyclers to the Contracting Officer prior to beginning demolition. Only materials not suitable for recycling shall be disposed of in a land fill.

C. Disposal of demolition material shall be in accordance with all EPA, OSHA, and North

Carolina requirements for materials disposal.

3.7 SALVAGE

A. Carefully remove items to be salvaged and delivered to Contracting Officer’s storage.

B. Store and protect items indicated to be salvaged.

C. Replace any items damaged through carelessness in removal, storage, or handling with new items of same type.

D. Do not reuse materials or equipment not specifically indicated or specified to be reused

E. Preparation of Equipment for Storage.

F. Identify each component with markings or tags to show its position in the assembly and the assembly of which it belongs.

GUCO – 227790B 02 41 00 - 4

G. Place small parts in wooden boxes and clearly mark contents on the outside.

H. Thoroughly clean and dry equipment.

I. Coat unpainted surfaces with 2 coats of rust-preventive compound.

J. Attach unit to suitable crate bottom.

K. Enclose unit in polyethylene film and seal all seams and the film to the base of the unit with tape.

L. Construct crate of wooden slats around top and sides of unit.

M. Attach permanent instruction tag to outside of crate stating, “This unit has been prepared for storage.”

DIVISION 03

CONCRETE

GUCO – 227790B 03 30 00 - 1

CAST-IN-PLACE CONCRETE SITE ELEMENTS

SECTION 03 30 00

A. The work of this Section consists of furnishing and performing all operations necessary for the placement of cast-in-place concrete site elements as described in Contract Documents.

1.2 REFERENCES

A. Normal Weight Structural Concrete – Section 03 31 00

B. ACI 301-05: Specifications for Structural Concrete, American Concrete Institute

1.3 SUBMITTALS

A. Test results – Gradation at base.

B. Structural calculations for all cast-in-place elements intended to replace precast items with

“Professional Engineer’s” or “Structural Engineer’s” seal and signature with current licensure to practice civil or structural engineering in the state of North Carolina. Anti-buoyancy calculations shall be included with all cast-in-place concrete or precast item submittals demonstrating that anti-buoyancy measures have been satisfied.

1. Anti-buoyancy measure calculation assumptions shall use groundwater at surface level in the zone of placement for all cast-in-place or precast items.

2.1 MATERIALS

A. Granular Base

1. Base-type gravel or crushed rock, graded as follows -

Sieve Size Percent by Weight Passing Sieve

1 inch 100

3/4 inch 90 - 100

3/8 inch 10 - 50

No. 4 0 - 15

GUCO – 227790B 03 30 00 - 2

B. Concrete

1. Meet requirements specified in Division 03 Section 03 31 00 “Normal Weight Structural

Concrete” for exterior concrete; “unless otherwise noted in the specifications or drawings.”

3.1 PREPARATION

A. Sub-Base

1. Compact sub-base as specified in Division 31 Excavation & Fill – Section 31 23 00.

3.2 INSTALLATION

A. Place 4 inches minimum of granular base, level, and compact as specified.

B. Joints

1. Scored Control Joints:

a. Spacing, as approved by the Contracting Officer.

b. Depth of control joints shall be approximately 1/4 of concrete slab thickness, but not less than 1 inch.

C. Finish

1. Slab and Flatwork:

a. Broom finish as specified by ACI 301 unless noted otherwise in the plans or contract documents.

b. Round edges including edges formed by expansion joints.

c. Remove edger marks

3.3 FIELD QUALITY CONTROL

A. Inspection

1. To allow the Contracting Officer’s verification of grades and elevations, notify the

Contracting Officer 3 days minimum before placing concrete for specified concrete site elements.

GUCO – 227790B 03 31 00 - 1

NORMAL WEIGHT STRUCTURAL CONCRETE

SECTION 03 31 00

A. The work in this Section includes furnishing and installing Project cast in place concrete work as described in Contract Documents.

A. Includes but not limited to:

1. Furnish and install Project concrete work as described in Contract Documents.

2. Quality of concrete used on Project but furnished under other Sections.

A. American Society for Testing and Materials, Latest Edition

1. ASTM C 33, 'Standard Specification for Concrete Aggregates'

2. ASTM C 94, 'Standard Specification for Ready-Mixed Concrete'

3. ASTM C 150, 'Standard Specification for Portland Cement'

4. ASTM C 260, 'Standard Specification for Air-Entraining Admixtures for Concrete'

5. ASTM C 494, 'Standard Specification for Chemical Admixtures for Concrete'

6. ASTM C 618, 'Standard Specification for Coal Fly Ash and Raw or Calcined Natural

Pozzolan for Use as a Mineral Admixture in Portland Cement Concrete'

7. ASTM E 1155, ‘Standard Test Method for Determining FF Floor Flatness and FL Floor

Levelness Numbers’

B. All work shall be completed in accordance with the current edition of the North Carolina

Department of Transportation 2024 Standard Specifications and these specifications.

1.3 SYSTEM DESCRIPTION

A. Design Requirements

1. Concrete cast in place elements of Project are designed to meet Standard Specifications.

a. 4,500 psi Compressive Strength Minimum.

B. Performance Requirements

1. Conform to requirements of ASTM C 94 unless specified otherwise.

GUCO – 227790B 03 31 00 - 2

2. For testing purposes, following concrete strengths are required -

a. At 7 days: 60% minimum of 28-day strengths

b. At 28 days:

1) 4,500 psi

1.4 SUBMITTALS

A. As specified in Division 01 Section 01 33 00 “Submittal Procedures.”

B. Shop Drawings Show dimensioned locations of anchor bolts for hold-down anchors and columns.

B. Quality Assurance/Control

1. Concrete mix design.

2. Delivery Tickets: Require mix plant to furnish delivery ticket for each batch of concrete.

Keep delivery tickets at job-site for use by Contracting Officer. Tickets shall show following:

a. Name of ready-mix batch plant

b. Serial number of ticket

c. Date and truck number

d. Name of Contractor

e. Name and location of Project

f. Specific class or designation of concrete in conformance with that employed in

Project specification

g. Amount of concrete

h. Time loaded

i. Type, name, and amount of admixtures used

j. Amount and type of cement

k. Total water content

l. Sizes and weights of sand and aggregate

1.5 QUALITY ASSURANCE

A. Pre-Pour Inspection

1. Schedule inspection with engineer or engineer representative after placing of footings, installation of foundation forms and reinforcing steel, and installation of anchors, inserts, and block outs in foundation walls and slabs, but before placing of concrete.

2. In addition to items specified in Section 01 33 00, review the following:

a. Approved mix design and use of admixtures.

b. Installation scheduling, coordination, and placement of items installed in and under floor slab.

c. Placement, finishing, and curing of concrete.

d. Concrete slab tolerances and corrective measures if tolerances not met.

GUCO – 227790B 03 31 00 - 3

1.5 PROJECT CONDITIONS

A. Project Environmental Requirements

1. Cold Weather Concreting Procedures:

a. No frozen materials shall be used.

b. Forms, reinforcement, and fillers shall be free from frost. Place no concrete on frozen ground.

c. For temperatures below 40°F, maintain concrete at between 60°F and 80°F when placing, and 50°F minimum for 5 days if regular concrete, or at 50°F for 3 days if high early strength concrete, or longer if determined necessary by the Contracting

Officer.

d. Housing, covering, or other protection shall remain in place for 24 hours after heat is discontinued.

2. Hot Weather Concreting Procedures -

a. Maximum concrete temperature allowed is 90°F in hot weather.

b. Cool aggregate and subgrades by sprinkling.

c. Avoid cement over 140°F

d. Use cold mixing water or ice.

e. Use fog spray or evaporation retardant to lessen rapid evaporation from concrete surface.

2.1 MATERIALS – CAST IN PLACE CONCRETE

A. Portland Cement: Meet requirements of ASTM C 150, Type II.

B. Aggregates

1. Combined Aggregate Grading - Grading C

a. Meet requirements of Standard Specifications Combined Aggregate Gradings which by test or actual service produces concrete of required strength and conforms to local governing codes.

b. Aggregate shall be uniformly graded as follows -

1) All Work

Sieve Size Percent Passing

1-1/2 inch 100

1 inch 95 - 100

3/4 inch 77 - 93

3/8 inch 50 - 70

No. 4 39 - 51

No. 8 31 - 41

No. 16 22 - 32

No. 30 12 - 22

No. 50 3 - 15

GUCO – 227790B 03 31 00 - 4

Sieve Size Percent Passing

No. 100 0 - 5

No. 200 0 - 2

C. Water - Clear, apparently clean, and potable.

D. Admixtures and Miscellaneous

1. Mineral -

a. Fly Ash Pozzolan - Meet requirements of ASTM C 618, Class F with loss on ignition (LOI) of 4%.

2. Chemical -

a. No admixture shall contain calcium chloride nor shall calcium chloride be used as an admixture. All chemical admixtures used shall be from same manufacturer and compatible with each other.

b. Air Entraining Admixture –

1) Manufacturer: Euclid

2) Air Mix 200; or equal

3) Must be a liquid admixture compatible with other approved concrete ingredients

4) Must provide entrained air for freeze-thaw durability

5) Must meet ASTM C 260 requirements

c. Water Reducing Admixture –

1) Manufacturer: Euclid

2) Eucon WR; or equal

3) Must be a water-reducing admixture that meets requirements of ASTM C 494, Type A

4) Must contain no more than 0.05% chloride ions

d. Water Reducing, Retarding Admixture –

1) Manufacturer: Euclid

2) Eucon Retarder 75; or equal

3) Must meet requirements of ASTM C 494, Type D

4) Must contain no more than 0.05% chloride ions

e. High Range Water Reducing Admixture (Superplasticizer) –

1) Manufacturer: Euclid

2) Eucon 37; or equal

3) Must meet requirements of ASTM C 494, Type F or G

4) Must contain no more than 0.05% chloride ions

f. Non-Chloride, Non-Corrosive Accelerating Admixture –

1) Manufacturer: Euclid

2) Accelguard 80; or equal

3) Must meet requirements of ASTM C 494, Type C or E

4) Must not contain more chloride ions than are present in municipal drinking water

3. Evaporation Retardant –

a. Manufacturer: Dayton Superior

b. Sure Film J-74; or equal

c. Must be an evaporation retardant used to minimize water loss from freshly placed concrete

d. Must be compatible with other concrete materials

GUCO – 227790B 03 31 00 - 5

4. Bonding Agents -

a. Manufacturer: Dayton Superior

b. Day Chem Ad Bond (J-40); or equal

c. Must be a bonding agent used to improve adhesion between new and existing concrete

d. Must be compatible with other concrete materials

5. Waterstops-

a. Manufacturer: Paul Murphy Plastics Company

b. Wirestop; or equal

c. Must be a PVC waterstop designed to prevent water passage through concrete joints

d. Must meet applicable industry standards and suitable for sealing construction joints in construction

6. Fiber Reinforcement-

a. Manufacturer: Fiber Mesh

b. Fiber Mesh 150 Synthetic Polypropylene Fiber; or equal

c. Must be a synthetic fiber reinforcement designed to enhance the durability and crack resistance of concrete

d. Must be added at a standard application rate of 1.5 lbs per cubic yard of concrete

2.2 MANUFACTURERS - (NOT USED)

2.3 MIXES

A. Submit mix designs to meet following requirements

1. Proportions -

a. Mix -

1) Minimum weight cement per cubic yard concrete – 565lbs.

2) Air Entrainment –4%, plus or minus 1%

3) Water/Cement Ratio – 0.45 maximum by weight

2. Admixtures -

a. Mix design shall show proposed admixture, amount, usage instructions, and justification for proposed use. Do not use any admixture without the Contracting

Officer's written approval.

b. Mineral - no fly ash shall be used and or substituted for cement.

c. Chemical -

1) 4″ slump maximum before addition of high range water reducer.

2) 8″ slump maximum with use of high range water reducer (HRWR).

3) Specified accelerator or retarder may be used if necessary to meet environmental conditions.

3. Admixtures -

a. Mix design shall show proposed admixture, amount, usage instructions, and justification for proposed use. Do not use any admixture without the Contracting

Officer's written approval.

GUCO – 227790B 03 31 00 - 6

b. Chemical -

1) 4″ slump maximum before addition of high range water reducer.

2) 8″ slump maximum with use of high range water reducer (HRWR).

3) Specified accelerator or retarder may be used if necessary to meet environmental conditions.

4) Air minimum and maximum requirements per current

3.1 PREPARATION

A. Remove water and debris from space to be placed.

3.2 INSTALLATION

A. Site Tolerances

1. ACI Standards shall govern concrete work except where specified differently.

2. Variation In Grade

a. Floor Slabs - 1/8″ in any 10′ of floor slab and 3/8″ over entire floor slab

b. Other Slabs - 1/4″ in any 10′ of slab and 3/4″ over entire slab.

3. Variation in thickness - 1/4″ to 1/2″ standard, 5% for footings.

4. Variation in plan -

a. 0′ to 20′ - 1/2″

b. 40′ or more - 3/4″ standard, plus 1/2″ for footings.

5. Variation in eccentricity – 2% for footings.

6. Variation in openings -

a. Size - Plus 1/8″

b. Location - 1/4″

7. Variation from plumb - 1/4″ maximum

B. Concrete Types

1. Use specified concrete mix types in following Project elements. If Project elements specified to use Mix Type 1 will be exposed to weather through a winter freeze/thaw season during construction period, use Mix Type 2 for those Project elements.

a. Mix

1) All concrete elements

C. Placing

1. Place as soon after mixing as possible. Deposit as nearly as possible in final position.

Placing of concrete shall be continuous until a panel or section is complete.

GUCO – 227790B 03 31 00 - 7

2. Placing Rate - In order to avoid overloading of forms and ties, observe the following rate of filling per hour for various air temperatures.

Temperature Rate of Fill per Hour

40°F 2’

50°F 3’

60°F 4’

70°F 5’

3. Compact concrete in forms by vibrating and other means where required. Thoroughly work in concrete around reinforcing bars.

4. Do not embed aluminum in concrete.

5. Do not use contaminated, deteriorated, or re-tempered concrete.

6. Avoid accumulation of hardened concrete.

7. Joints -

a. Where possible, locate joints under partitions or where joints will cause least disruption to floor coverings.

b. Construction Joints - Locate where shown on Drawings to least impair strength of completed structure. Construction joints in foundation walls shall not occur within 6 feet of corner and be keyed.

D. Bonding Fresh and Hardened Concrete

1. Re-tighten forms.

2. Roughen surfaces.

3. Clean off foreign matter and laitance.

4. Wet but do not saturate.

5. Slush with neat cement grout or apply bonding agent.

6. Proceed with placing new concrete.

E. Special Requirements

1. Footings -

a. Bear 12″ minimum into undisturbed earth or on mechanically compacted engineered fill. Step footings at ratio of 1-1/2 horizontal to one vertical unless detailed otherwise. Exterior wall footing shall bear 2′0″ minimum below finish grades.

b. Level top of finish footing and leave rough.

c. Where joints are required, bulkhead, key horizontally, and dowel with two No. 5 rebar, 48″ long.

2. Foundations and Walls - Leave steel projecting where required for floor tie.

3. Exterior Slabs -

a. Dusting with cement not permitted.

b. For continuous placing and where shown on Drawings, saw cut one-inch deep control joints before shrinkage occurs.

4. Equipment Bases - Coordinate with appropriate Sections for locations and dimensions.

5. Anchor Bolts - Place anchor bolts not tied to reinforcing steel immediately following leveling of concrete. Reconsolidate concrete around bolt immediately after placing bolt.

Do not disturb bolts during finishing process.

GUCO – 227790B 03 31 00 - 8

6. Water Stops - Install manufactured PVC Water Stops in all joints subject to retaining water. Bentonite sealant strips shall be used for sealing joints connecting to existing concrete structures.

7. Sidewalks shall be placed using fibrous concrete, broom finished.

F. Finishing

1. Broom Finishes, Exterior Flatwork Not Specified in “Cast-In-Place Site Elements” –

Section 03 30 00.

a. Broom finish exterior concrete.

b. Round edges including edges formed by expansion joints.

c. Remove edger marks.

2. Rubbed Finish, Exposed Vertical Surfaces -

a. Immediately after removing forms, remove joints, marks, bellies, projections, loose materials, and cut back metal ties from surfaces to be exposed.

b. Point up voids with cement mortar, 1:2 mix, and rub exposed surface with carborundum to smooth, even surface.

3. Steel Trowel Finishes, Interior Flatwork where broom finish is not specified.

a. Float and steel trowel interior slabs after concrete has set enough to avoid bringing water and fines to surface.

b. If power troweling is used, get approval of finish from the Contracting Officer.

G. Curing:

1. Keep concrete moist seven days minimum for regular concrete and 3 days for high early strength. Do not use concrete curing compounds without the Contracting Officer's written approval. Do not use curing compounds to replace moist curing unless accepted in writing by the Contracting Officer.

2. Concrete curing blankets are to be used to cover the fresh concrete if nighttime temperatures drop below 40°F.

3.3 FIELD QUALITY CONTROL

A. Test for Portland Cement Concrete

1. Contractor will engage a qualified independent testing agency to perform concrete testing indicated below. Payment for these services will be made by Contractor.

2. Take 3 concrete test cylinders for every 100 or less cubic yard of each class of concrete placed. Take 1 additional test cylinder during cold weather concreting, cured on the jobsite under the same conditions as concrete it represents. At a minimum take 3 concrete test cylinders for the concrete mat foundation supporting the water tanks and take 3 concrete test cylinders for the concrete pipe transition thrust block where the above ground piping transitions to underground piping.

a. Curing: Cure and test cylinders at a laboratory approved by the Contracting Officer.

b. Test Timing: Test 1 of each 3 at 7 days and the other 2 at 28 days.

c. Test Criteria: All testing shall be per Standard Specifications.

3. All Portland cement concrete delivered and placed shall be sampled and tested in accordance with ASTM C39 testing.

GUCO – 227790B 03 31 00 - 9

B. Inspection

1. Forms - Notify the Contracting Officer 3 days minimum before placing concrete for footings, foundation walls, and building slabs.

2. Main Building Slab - In event of dispute, NPS may have an independent testing laboratory test floor for specified flatness in accordance with ASTM E 1155, and for conformance with design grade with either optical or laser level.

3.4 ADJUSTING.

A. Remedy for Out-of-Tolerance Building Slabs

1. Sections of slabs not meeting specified tolerances but within 10% of specified tolerances may be corrected by grinding or filling. Sections measuring outside specified correctable tolerances shall be removed and replaced.

a. If 10′-long straight edge is used to check floor flatness, procedure shall be performed as follows: Place ends of straightedge on 3/8″ high shims. Floor is satisfactory if

5/16″ diameter steel rod rolled under straightedge will not touch anywhere along 10′ length and 7/16″ diameter steel rod will not fit under straightedge anywhere along

10′ length.

2. If floor leveling compounds or concrete patching compounds are required to bring floor into specified tolerances, Contractor shall provide necessary materials and labor at no additional cost to Owner.

3.5 PROTECTION

A. Protect concrete which has not received its initial set from precipitation to avoid excess water in mix and unsatisfactory surface finish.

DIVISION 05

METALS

GUCO – 227790B 05 50 00 - 1

METAL FABRICATIONS

SECTION 05 50 00

1.1 SUMMARY

A. Metal fabrications including items made from iron and steel shapes, plates, bars, strips, tubes and pipes which are not a part of structural steel or other metal systems specified elsewhere.

1.2 SUBMITTALS

A. Product Data: Submit manufacturer's specifications, anchor details and installation instructions for products to be used in the fabrication of miscellaneous metal fabrications, including paint products and grout.

B. Submit shop drawings for fabrication and erection of miscellaneous metal fabrications. Include plans, elevations, and details of sections and connections. Show anchorage and accessory items.

Provide templates for anchor and bolt installation under other sections.

C. Where design of members and connections is specified as part of the work of this section, submit structural analysis showing loadings and stresses, certified by a registered Structural

Engineer.

1.3 QUALITY ASSURANCE

A. Codes and Standards: Comply with the provisions of the following codes, standards, and specifications, except where more stringent requirements are shown or specified:

1. AISC, "Specifications for the Design, Fabrication, and Erection of Structural Steel for

Buildings", including the "Commentary on the AISC specifications" (but AISC "Code" does not apply to this owner).

2. AISI, "Specification for the Design of Cold-formed Steel Structural Members".

3. AWS, "Structural Welding Code - Steel".

B. Take field measurements prior to preparation of shop drawings and fabrication, where possible.

Do not delay job progress; allow for trimming and fitting wherever taking field measurements before fabrication might delay work.

C. Furnish inserts and anchoring devices which must be set in concrete or built into masonry for installation of miscellaneous metal work. Coordinate delivery with other work to avoid delay.

D. Shop Assembly: Pre-assemble items in shop to greatest extent possible to minimize field splicing and assembly. Dis-assemble units only as necessary for shipping and handling limitation. Clearly mark units for re-assembly and coordinated installation.

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2.1 MATERIALS AND COMPONENTS

A. Metal Surfaces, General: For fabrication of miscellaneous metal work which will be exposed to view, use only materials which are smooth and free of surface blemishes including pitting, seam marks, roller marks, rolled trade names and roughness.

B. Fabricate miscellaneous metal fabrications from ASTM A36 Structural Steel, or as recommended by fabricator for the specific application; except where material is specifically identified.

C. Fasteners: Provide zinc-coated fasteners for exterior use or where built into exterior walls.

Select fasteners of the type, grade and class required.

D. Metal Primer Paint:

1. Zinc-coated steel:

a. Amchem Galv-A-Prep; or equal

b. Must be compatible with required finish coats of paint

c. Must coordinate selection of metal primer with finish paint

2. Black Steel:

d. Amchem Metal-Prep; or equal

e. Must be compatible with required finish coats of paint

f. Must coordinate selection of metal primer with finish paint

g. Other manufacturers must be approved by the Engineer

2.2 FABRICATION, GENERAL

A. Workmanship:

1. Use materials of size and thickness shown or, if not shown, of required size and thickness to produce strength and durability in finished product. Work to dimensions shown or accepted on shop drawings, using proven details of fabrication and support. Use type of materials shown or specified for various components of work.

2. Form exposed work true to line and level with accurate angles and surfaces and straight sharp edges. Ease exposed edges to a radius of approximately 1/32″ unless otherwise shown. Form bent metal corners to smallest radius possible without causing grain separation or otherwise impairing work.

B. Weld corners and seams continuously complying with AWS recommendations. Grind exposed welds smooth and flush, to match and blend with adjoining surfaces.

C. Form exposed connections with hairline joints, flush and smooth, using concealed fasteners wherever possible. Use exposed fasteners of type shown or, if not show, socket type flat-head

(countersunk) screws or bolts. Provide sufficient backing at screw locations to cover at least three threads.

D. Provide for anchorage of type suitable for use with supporting structure. Fabricate and space anchoring devices as shown and as required to provide adequate support for intended use.

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E. Cut, reinforce, drill and tap miscellaneous metal work as required to receive finish hardware and similar items.

F. Shop Painting:

1. Shop paint miscellaneous metal work, except members or portions of members to be embedded in concrete or masonry, unless otherwise specified.

2. Remove scale, rust and other deleterious materials before applying shop coat.

3. Immediately after surface preparation, brush or spray on primer in accordance with manufacturer's instructions and at a rate to provide uniform dry film thickness of 1.0 mils for each coat. Use painting methods which will result in full coverage of joints, corners, edges and exposed surfaces.

4. Apply one shop coat to fabricated metal items, except apply 2 coats of paint to surfaces inaccessible after assembly or erection. Change color of second coat to distinguish it from the first.

2.3 MISCELLANEOUS METAL ITEMS

A. Rough Hardware:

1. Furnish bent or otherwise custom fabricated bolts, plates, anchors, hangers, dowels and other miscellaneous steel and iron shapes as required; including those for framing and supporting, woodwork and for anchoring or securing woodwork to concrete or other structures.

B. Edge Angles: Provide edge angles fabricated of structural steel shapes as shown, of all welded construction with mitered corners and continuously welded joints. Provide welded anchors for embedding in concrete or masonry construction, spaced not more than 6″ from each end, 6″ from corners and 24″ o.c., unless otherwise shown. Galvanize exterior edge angles.

C. Miscellaneous Steel Trim: Provide shapes and size as required for profiles shown. Except as otherwise noted, fabricate units from structural steel shapes and plates and steel bars, with continuously welded joints and smooth exposed edges. Use concealed field splices for coordination of assembly and installation with other work. Galvanize exterior miscellaneous steel trim.

D. Loose Bearing Plates: Provide loose bearing plates for steel items bearing on concrete construction, made flat, free from warps or twists, and of required thickness and bearing area.

Dill plates to receive anchor bolts and for grouting as required. Galvanized after fabrication.

E. Miscellaneous Framing and Supports:

1. Provide miscellaneous steel framing and supports which are not a part of structural steel framework as required to complete work.

2. Fabricate miscellaneous units to sizes, shapes, and profiles shown or, if not shown, of required dimensions to receive adjacent other work to be retained by framing. Except as otherwise shown, fabricate from structural steel shapes and plates and steel bars, of welded construction using mitered joints for field connection. Cut, drill, and tap units to receive hardware and similar items.

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3. Equip units with integrally welded anchor straps for casting into concrete wherever required. Furnish inserts where units must be installed after concrete is placed. Except as otherwise shown, space anchors 24″ o.c. and provide minimum anchor units of 1-

1/4"x1/4" 8″ steel straps.

A. Installer must examine areas and conditions under which miscellaneous metal items are to be installed. Notify the Contracting Officer of conditions which are detrimental to the proper and timely completion of the work. Do not proceed with the Work until unsatisfactory conditions have been corrected in a manner acceptable to the installer.

A. Furnish setting drawings, diagrams templates, instruction, and directions for installation of anchorages, such as concrete inserts, anchor bolts and miscellaneous items having integral anchors, which are to be embedded in concrete or masonry construction. Coordinate delivery of such items to project site.

3.3 INSTALLATION

A. Fastening to In-Place Construction: Provide anchorage devices and fasteners where necessary for securing miscellaneous metal items to in place construction including threaded fasteners for concrete inserts, toggle bolts, through-bolts, and other connectors as required.

B. Cutting, Fitting and Placement:

1. Perform cutting, drilling, and fitting required for installation of miscellaneous metal items. Set work accurately in location, alignment, and elevation, plumb, level, true and free of rack, measured from established lines and levels with lines visually parallel.

Provide temporary bracing or anchors in framework for items which are to be built into concrete, masonry, or similar construction.

2. Fit exposed connections accurately together to form tight hairline joints. Weld connections which are not to be left as exposed joints but cannot be shop welded because of shipping size limitation. Grind joints smooth and touch-up shop paint coat. Do not weld, cut or abrade the surfaces of exterior units which have been hot-dip galvanized after fabrication, and are intended for bolted or screwed field connections.

C. Field Welding: Comply with AWS Code for procedures of manual shielded metal-arc welding, appearance and quality of welds made, and methods used in correcting welding work.

DIVISION 09

FINISHES

GUCO – 227790B 09 90 00 - 1

PAINTING & COATING

SECTION 09 90 00

PAINTING & COATING

PART 1 - GENERAL

1.1 GENERAL

A. General procedures and requirements for field-applied painting and coating.

1.2 REFERENCES

A. Master Painters Institute (MPI)

1. MPI(a), ‘Architectural Painting Specification Manual’

1.3 SUBMITTALS

A. Product Data

1. Include following information for each painting system, arranged in same order as in

Project Manual.

a. Manufacturer's cut sheets for each component of system indicating ingredients and percentages by weight and by volume, environmental restrictions for application, and film thicknesses and spread rates.

1) If using a manufacturer based on MPI approval, also include copies of appropriate entries from MPI Approved Product List. Listing in MPI

Approved Product List is mandatory. If proposed manufacturer has products listed for these three Sections, but not for other Sections, Contracting Officer may approve products submitted by proposed manufacturer for other

Sections.

b. Manufacturer’s substrate preparation instructions and application instruction for each painting system used on Project.

c. Confirmation of colors selected and that each area to be painted or coated has color selected for it.

2. Provide 2 copies of Product Data submission.

B. Samples - Provide 2-12″x12″ minimum brush out cards for each paint or coating color selected for this Project.

1.4 QUALITY ASSURANCE

A. Regulatory Requirements - Paint and painting materials shall be free of lead and mercury, and have VOC levels acceptable to local jurisdiction.

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B. Field Samples

1. Before application of any paint system, if required by Contracting Officer, meet on

Project site with Contracting Officer and Manufacturer's representative. Contracting

Officer may select one surface for application of each paint system specified. This process will include establishing acceptable substrate conditions required for Project before application of paints and coatings.

2. Apply paint systems to surfaces indicated by Contracting Officer following procedures outlined in Contract Documents and Product Data submission specified above.

3. After approval of samples, proceed with application of paint system throughout Project.

Approved samples will serve as standard of acceptability.

1.5 DELIVERY, STORAGE, AND HANDLING

A. Deliver specified products in sealed, original containers with Manufacturer’s original labels intact on each container. Deliver amount of materials necessary to meet Project requirements in single shipment. Notify Contracting Officer 2 working days before delivery of paint.

B. Store materials in single place.

C. Keep storage area clean and rectify any damage to area at completion of work of this Section.

Maintain storage area at 55°F minimum.

1.6 PROJECT CONDITIONS

A. Project Environmental Conditions

1. Perform painting operations at temperature and humidity conditions recommended by

Manufacturer for each operation and for each product.

2. Apply painting systems at lighting level of 540 Lux (50′ candles) minimum on surfaces to be painted. Inspection of painting work shall take place under same lighting conditions as application. If painting and coating work is applied under temporary lighting, deficiencies discovered upon installation of permanent lighting will be considered latent damage as defined in MPI Manual, PDCA P1-92

1.7 SCHEDULING

A. Coordinate with other trades for materials and systems that require painting prior to installation.

B. Schedule painting and coating work to begin when work upon which painting and coating work is dependent has been completed. Schedule installation of pre-finished and non-painted items, which are to be installed on painted surfaces, after application of final finishes.

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1.8 MAINTENANCE

A. Extra Materials - Provide painting materials in Manufacturer's original containers and with original labels in each color used. Provide one quart of each finish coat and 1 pint of each primer and of each undercoat in each color used. Label each can with color name, mixture instructions, date, and anticipated shelf life.

2.1 MATERIALS

A. Materials used for any painting system shall be from single manufacturer unless approved otherwise in writing by painting system manufacturer. Include such approvals in Product Data submittal.

B. Linseed oil, shellac, turpentine, and other painting materials shall be pure, be compatible with other coating materials, bear identifying labels on containers, and be of highest quality of an approved manufacturer listed in MPI manuals. Tinting color shall be best grade of type recommended by Manufacturer of paint or stain used on Project.

A. Instructions to applicator to begin painting and coating work will indicate that substrates to receive painting and coating materials have been previously inspected as part of work of other

Sections and are complete and ready for application of painting and coating systems.

B. Before beginning work of this Section, examine, and test surfaces to be painted or coated for adhesion of painting and coating systems. Report in writing to Contracting Officer on conditions that will adversely affect adhesion of painting and coating work. Do not apply painting and coating systems until such adverse conditions are corrected by party responsible for adverse condition.

C. Report defects in substrates that become apparent after application of primer or first finish coat to Contracting Officer in writing and do not proceed with further work on defective substrate until such defects are corrected by party responsible for defect.

1. Remove rags and waste used in painting operations from building each night. Take every precaution to avoid danger of fire.

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2. Protect other finish work and adjacent materials during painting. Do not splatter, drip, or paint surfaces not intended to be painted. These items will not be spelled out in detail but pay special attention to the following:

a. Do not paint finish copper, bronze, chromium plate, nickel, stainless steel, anodized aluminum, or Monel metal except as explicitly specified.

b. Keep cones of ceiling speakers completely free of paint. In all cases where painting of metal speaker grilles is required, paint without grilles mounted to speakers and without grilles on ceiling.

B. Surface Preparation

1. Prepare surfaces in accordance with MPI requirements and requirements of

Manufacturer for each painting system specified, unless instructed differently in Contract

Documents. Bring conflicts to attention of Contracting Officer in writing.

2. Fill minor holes and cracks in wood surfaces to receive paint or stain.

3. Surfaces to be painted shall be clean and free of loose dirt. Clean and dust surfaces before painting or finishing.

4. Do no exterior painting while surface is damp, unless recommended by Manufacturer, nor during rainy or frosty weather. Interior surfaces shall be dry before painting. Moisture content of materials to be painted shall be within tolerances acceptable to Paint

Manufacturer.

3.3 APPLICATION

A. Paint or finish complete all surfaces to be painted or coated as described in Contract

Documents.

B. Apply sealant in gaps 3/16″ and smaller between 2 substrates which are to be painted or coated.

C. In multiple coat paint work, tint each succeeding coat with slightly lighter color, but approximating shade of final coat, so it is possible to check application of specified number of coats. Tint final coat to required color.

D. Spread materials smoothly and evenly. Apply coats to not less than wet and dry film thicknesses and at spreading rates for specified products as recommended by Manufacturer.

E. Touch up suction spots after application of first finish coat.

F. Paint shall be thoroughly dry and surfaces clean before applying succeeding coats.

G. Use fine sandpaper between coats as necessary to produce even, smooth surfaces.

H. Make edges of paint adjoining other materials or colors clean, sharp, and without overlapping.

I. Finished work shall be a “Properly Painted Surface” as defined in this Section.

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3.4 ADJUSTMENT

A. Correct deficiencies in workmanship required to leave surfaces in conformance with “Properly

Painted Surface” as defined in this Section. Correction of “Latent Damage” and “Damage

Caused by Others”, as defined in this Section, is not included in work of this Section.

3.5 CLEANING

A. As work proceeds and upon completion of work of any painting Section, remove paint spots from floors, walls, glass, or other surfaces and leave work clean, orderly, and in acceptable condition. Remove debris caused by work of paint Sections from premises.

3.6 PAINT COLOR SCHEDULE

A. Number and placement of exterior paint colors and gloss levels shall be Color Level II from

MPI Manual, PDCA P3-04 as modified in paragraph 1, following.

1. Several paint colors or gloss levels will be selected for the entire project. However, no more than 1 paint color will be selected for any exterior substrate.

2. Exterior Color Quality Standards – By Contracting Officer.

DIVISION 11

EQUIPMENT

GUCO – 227790B 11 12 33 - 1

PARKING GATES (BARRIER ARM GATES)

SECTION 11 12 33

PART 1 – GENERAL

1.1 SUBMITTALS

A. Action Submittals:

1. Product Data: Manufacturer’s descriptive data and product attributes.

B. Closeout Submittals:

1. Operation and Maintenance Data.

1.2 QUALITY ASSURANCE

A. Installer Qualifications: Firm specializing in work of this Section, with minimum 2 years’ experience.

1.3 WARRANTY

A. Manufacturer’s warranties against material and manufacturing defects:

1. Cabinet: 10 years.

2. Electrical and mechanical components: 2 years.

PART 2 – PRODUCTS

2.1 MANUFACTURERS

A. Contract Documents are based on products by LiftMaster. www.LiftMaster.com

B. Substitutions: Refer to Division 01.

2.2 MANUFACTURED UNITS

A. Parking Gates:

1. Model: MA.

2. Operation: Gear reduced.

3. Meet UL 325.

4. Rated duty cycle: Maximum 6000 per day.

5. Opening speed: 2.5 seconds.

http://www.liftmaster.com/

GUCO – 227790B 11 12 33 - 2

6. Battery backup included.

7. Barrier arm: Aluminum, LED type.

8. Motor: 24 VDC, continuous duty, prewired, listed by Underwriters Laboratories.

9. Controls: Sequenced access management system.

10. Red/white 12-foot aluminum LED arm.

11. Clutch.

12. Retro reflective photo eye.

13. Security+2.0 radio receiver: Accept Security+ 2.0 rolling code technology remote controls and binary DIP switch.

14. Red/green traffic light.

15. Low power loop detector.

16. High-capacity connected access portal.

17. Two door connected access portal.

PART 3 – EXECUTION

3.1 INSTALLATION

A. Install in accordance with manufacturer’s instructions.

3.2 CLOSEOUT…