Attachment 1 - SOW Ponderosa Pavilion Sign.pdf

Statement of Work for

Pavilion & Portal Sign Construction

1.0 Summary

The Kanab Utah BLM office is seeking to have a Pavilion and Portal Sign constructed at the Ponderosa Grove Campground.

A. Description of Work:

a. Furnishing labor, equipment, supplies, and materials, except for specified Government-furnished property and construct foundation and concrete floor for prefabricated pavilion, supply and construct prefabricated pavilion, portal sign base, construct and install masonry veneer on pavilion columns and portal sign base with cast in place concrete column caps and construct compacted aggregate base trail with opening in fence. Provide proctor and testing as required per the specifications and drawings.

B. Project and Site Conditions

a. Access to the Work: Operations shall be scheduled so that work is done during regular office hours which are Monday – Friday during daylight hours. Work on Saturday or Sunday shall be requested in writing to the CO and is not guaranteed.

C. Submittals: Allow 5 working days for review. All submittals shall be delivered to the COR.

D. Period of Performance: 180 Calendar days from Notice to Proceed.

2.0 Government- Furnish Property

A. Materials:

a. Pre-Cast Concrete group BBQ grill

i. Located at the Kanab Field Office’s offsite ware yard.

approximately 3.5 miles south of Kanab Utah. From the junction of highway 89 and highway 89A in Kanab, UT. Head south on highway 89A for 2.9 miles, then turn left and head east on Kane Plex Dr. for o.5 miles, then turn right and head south on Landfill Rd. for 0.2 miles, then turn right on a dirt road and head west for 0.25 miles to the ware yard gate. Latitude 37.002016, Longitude -112.524112.

ii. See reference hauling and loading instructions.

b. (6) Metal Tables

i. Located at the Kanab Field Office

669 South Highway 89 A Kanab, Ut 84741

c. Aluminum Portal Sign

i. Located at the Kanab Field Office 669 South Highway 89 A Kanab, Ut 84741

d. Cedar post for fencing

i. BLM will deliver to site.

B. Contractor shall verify that all material is accounted for prior to starting work. The Contractor shall be responsible to haul all items to project site and protect items from damage during delivery, loading and off-loading.

C. Contractor shall place government furnish property as shown on drawings and coordinate with the COR.

3.0 Pavilion Specifications

Supply a prefabricated pavilion by Poligon or approved equal designed to the following specifications: Comply with manufacturer’s ordering instructions and lead time requirements to avoid construction delays. Provide submittal of pavilion design construction drawings.

A. Structural Design Requirements

i. Roof snow load – 37PSF

ii. Ground snow load – 52PSF

iii. Wind – 90 MPH w/115MPH gust

iv. Exposure - C

v. Seismic zone – D0

vi. Frost Depth – 18”

vii. Designed to meet most recent IBC and other related codes

B. Provide structural drawings including anchor bolt patterns, size and embedment length and building reactions.

C. The dimension of the building will be as follows;

i. 24’ L (length) x 34’ W (depth), dimensions of roof including overhangs

ii. 6/12 pitched roof with open gable ends

iii. 9’-0” Clearance from finish floor to bottom of soffit/fascia D. Provide rigid clear span with no interior columns, 4 columns total E. Vertical structural members to be square steel at a minimum of 8” x 8” or larger per structural need. Minimum steel thickness of 0.125”.

F. Horizontal/rafter/beam structural members to be sized as needed, no webbed structural members. Minimum steel thickness of 0.125”.

G. Structural member finished with epoxy primer and powder coat finish. Provide a minimum of 6 environmental/natural physical color samples to choose from.

H. Columns designed to be placed on footing at the finish floor elevation. Masonry column wrap/façade to be built

2’ height from bottom of the structural column per drawings. Provide red sandstone and grout color submittal for approval. Masonry wrap to have solid colored concrete cap cast in place sloped to drain.

I. Provide 2 x 6 Tongue and Groove ceiling with Hem Fir #1, Southern Pine #1 or approved equal with a protectant stain, provide submittal of 6 stain color samples.

J. Roofing panels shall be 26 gauge steel multi-rib roofing panels. Provide a minimum of 6 environmental/natural physical color samples to choose from.

K. Provide trim to cover exposed edges of roof panels and/or T&G. Trim shall match roofing panels.

L. Exterior fasteners will be stainless steel or galvanized and painted to match panel or trim color. Structural member fasteners to be galvanized steel or approved equal.

M. Provide industry standard commercial warranties at a minimum of 10 years.

4.0 Portal Sign Specifications

A. Requirements

a. Furnishing labor, equipment, supplies, and materials, to construct a stone masonry sign base as shown on the drawings.

b. Refer to sections 5 and 6 of these specifications.

c. Aluminum Sign will be furnished by government and shall be installed by contractor.

5.0 Masonry Specifications

A. Requirements

a. Submittals: Samples for stone, grout color, colored concrete

b. Submit qualification data for masonry contractor, including a list of completed projects.

c. Product Data: Submit data for proprietary materials and samples used on this project.

d. Construct a sample wall panel approximately 24 inches long by 24 inches high to demonstrate aesthetic effects and set quality standards for materials and execution. Coordinate location of panel with the contracting officer. The sample wall may become part of the completed work.

e. Do not use frozen materials or materials mixed or coated with ice or frost. Do not build on frozen subgrade or setting beds. Comply with cold-weather construction requirements contained in

ACI 530.1/ASCE 6/TMS 602.

f. Comply with hot-weather construction requirements contained in ACI 530.1/ASCE 6/TMS 602.

B. Product

a. Stone: Rustic Sandstone ASTM C 615 Classification I Sandstone

i. Gage backs of stones more than 81 sq. in. in area.

ii. Thickness of Stone Masonry Veneer: 3 inches plus or minus 1/2 inch.

iii. Thickness does not include projection of pitched faces.

iv. Type of Masonry (Pattern): Coursed Ashlar (Rustic Sandstone) see plans for example.

v. Finish: Mixed split face and seam face.

b. Mortar: ASTM C 270, Proportion Specification, Type N for setting stone, Type N for pointing.

i. Use portland cement-lime mortar.

ii. Low-Alkali Cement, Use Portland cement with not more than 0.60 percent total alkali per

ASTM C 114.

iii. Colored Pointing Mortar: Use colored motor, provide submittal.

c. Stone Masonry-Veneer Anchors: Corrugated-Metal Veneer Anchors 7/8 inch wide and made from

0.06 inch thick steel sheet, galvanized after fabrication.

d. Miscellaneous:

i. Weep Holes: Absorbent rope, ¼ inch in diameter, 24 inches long.

ii. Acidic Cleaner: Cleaner designed to removing mortar stains from stone masonry surfaces;

expressly approved for intended use by cleaner manufacturer and stone producer.

C. Installation

a. General setting

i. Execute stone masonry by skilled masons experienced with the kind and form of stone and installation method indicated. Arrange stones for good fit, in pattern indicated.

ii. Maintain uniform joint widths except for variations due to different stone sizes and minor variations required to maintain bond alignment. Lay walls with joints not less than ½ inch at narrowest points or more than 1 inch at widest points.

iii. Install weep holes at shelf angles, lintels, ledges, other obstructions to downward flow of water in wall, and where indicated.

iv. Set stone in full bed of mortar with full head joints. Build veneer anchors into mortar joints as stone is set.

1. Embed veneer anchors in mortar joints of stone masonry at least halfway, but not less than 1-1/2 inches, through stone masonry and with at least 5/8-inch cover on outside face.

2. Space anchors to provide not less than one anchor per 2 sq. ft. of wall area.

Install additional anchors within 12 inches of openings, sealant joints, and perimeter at intervals not exceeding 12 inches.

v. Rake out joints for pointing 1/2 inch deep.

vi. Point stone joints by placing and compacting pointing mortar in layers not more than 3/8 inch deep. Compact each layer thoroughly and allow to become thumbprint hard before applying next layer.

vii. Tool joints, when pointing mortar is thumbprint hard, with a smooth jointing tool to produce joint profile indicated.

6.0 Structural and Architectural Concrete Specifications

This section includes concrete and excavation for the pavilion footings, portal sign footing and concrete flat work including incidental excavation and required testing and cast-in place architectural concrete for the masonry column and wall caps.

A. Cast-in Place architectural concrete (Column and Wall caps)

i. Refer to size, design, joints and reinforcing steel shown in construction drawings.

ii. Design Mixtures: Submittal required for architectural concrete. For each concrete mixture. Submit alternate design mixtures when characteristics of materials, Project conditions, weather, test results, or other circumstances warrant adjustments.

iii. Refer to materials section for concrete design mixture

iv. Comply with ACI 303 “Standard specification for cast-in place architectural concrete.”, ACI 117, "Specifications for Tolerances for Concrete Construction and Materials"; and CRSI's "Manual of Standard Practice.

v. Formwork: Show formwork construction, including form-facing joints, rustications, construction and contraction joints, form joint-sealant details, form tie locations and patterns, inserts and embedments, cutouts, cleanout panels, and other items that visually affect cast-in-place architectural concrete.

Maintain tolerances and surface irregularities within ACI 347R limits of Class A, 1/8 inch for concrete exposed to view and Class C, 1/2 inch for other concrete surfaces.

vi. Placement: Submit concrete placement schedule before start of placement operations. Include locations of all joints, including construction joints. Place concrete in a continuous operation and consolidate using mechanical vibrating equipment.

vii. Cure formed surfaces by moist curing for at least seven days.

viii. Begin curing concrete slabs after finishing. Apply membrane-forming curing and sealing compound to concrete.

ix. Formed Surface Finish: Smooth-formed finish for concrete exposed to view, coated, or covered by waterproofing or other direct-applied material; rough-formed finish elsewhere.

x. Concrete color: shall be selected by the COR, provide submittal of available colors to coordinate with masonry.

B. Quality Assurance

i. Installer Qualifications: A qualified installer who employs on Project personnel qualified as ACI-certified

Flatwork Technician and Finisher and a supervisor who is an ACI-certified Concrete Flatwork Technician.

ii. Testing Agency Qualifications: An independent agency, acceptable to authorities having jurisdiction, qualified according to ASTM C 1077 and ASTM E 329 for testing indicated.

iii. Source Limitations: Obtain each type or class of cementitious material of the same brand from the same manufacturer's plant, obtain aggregate from single source, and obtain admixtures from single source from single manufacturer.

iv. Submit Design mixtures for approval

v. Causes for Rejection: Concrete may be rejected for, but not limited to, the following reasons:

a. Freezing within the first 3 days of placement

b. Excessive or inadequate slump

c. Segregation of aggregate or over-vibration resulting in excessive water in the surface of the concrete

d. Honeycomb over 25% of the surface

e. Voids larger than 2 inches across for structural concrete

f. Voids larger at ¾ inches across for architectural concrete

g. Exposed reinforcing steel

h. Misalignment of concrete and/or joints

i. Substandard aggregate in the mix

B. Materials

i. Portland Cement Type V:

a. Design mixture for flatwork and structural concrete: designed for a 28-day compressive strength of 4000 PSI with a maximum aggregate size of 1 inch

b. Design mixture for architectural concrete: designed for a 28-day compressive strength of 3500

PSI with a maximum aggregate size of ¾ inch.

c. Testing:

1. Air-Entraining Admixture: ASTM 260. The amount of air shall be 4 to 6 percent when maximum aggregate size is 1-inch. A variations of plus or minus 1 percent is allowable.

2. Slump: Concrete shall have a 4 inch slump as determined by ASTM C 143.

3. Concrete Temperature: Shall be with design mixture requirements

4. Provide compressive strength tests: two standard cylinders to be tested at 7 days and two standard cylinders to be tested at 28 days. Test must fall at or exceed specified compressive strength. No test value shall fall below specified compressive strength by more than 500 PSI. Provide a test for each design mixture.

ii. Reinforcing Steel: Shall have a yield point of 60 ksi, and shall be according to grade 60 of ASTM A 615.

The size of the bars shall be as indicated on the structural drawings obtained by contractor.

C. Preparation and Placement

i. Clearing: All clearing and grubbing by shall be the responsibility of the contractor. The BLM has already cleared the area, any new growth or additional clearing will be done by the contractor.

ii. Excavation and subgrade: Obtain proctor prior to construction. Clear and grade subgrade to elevations required. Compact subgrade/native material to 95% of proctor. Place aggregate bedding material according to drawings and compact to 95%. Aggregate to be approved by COR. Disturbed areas within construction area shall be graded smooth with positive drainage away from structures. Pavilion shall have 1’ compacted road base surrounding edge of concrete flatwork that is level with concrete and draining away from concrete. Portal Sign shall be backfilled with compacted native material.

iii. Reinforcing Steel: Reinforcement, including welded wire fabric, shall be held securely in position by steel wire, mortar blocks, or metal chairs during the placement of concrete. Reinforcement steel shall be positioned as shown on structural drawings and shall be clear of all edges by 3 inches and shall be lapped at splices.

iv. Forms: shall be placed according to drawings with accurate alignment, locations, grades and level and plumb. Plywood forms are not allowed for concrete within 6” of finished grade.

v. Placement and Consolidation: Concrete shall be placed in lifts with a maximum depth of 18 inches.

Each lift shall be adequately vibrated, rodded, or spaded into place to fill voids. Where more than one lift is placed, a vibrator shall be used to consolidate the concrete by penetrating through the upper lift and at least 6 inches into the lower lift. Vibrators shall not be used next to the form or to move concrete. Concrete shall be deposited as nearly as practical to its final position to avoid flow causing segregation of the aggregate. Concrete shall not be dropped more than 5 feet vertically without the use of a tremie or similar device.

vi. Concrete Placement Under Adverse Conditions: During hot weather, refer to ACI 305R. During cold weather, refer to ACI 306R. Materials required for protection shall be on the jobsite before concrete work is started. Do not place concrete on a frozen subgrade or against surfaces having deposits of frost, snow, or ice.

vii. Install anchor rods, accurately located, to elevations required and complying with tolerances in Section

7.5 of AISC's "Code of Standard Practice for Steel Buildings and Bridges."

D. Concrete Finishing

i. Concrete Surface Finishes: The top surface of exterior slabs shall be given a brushed finish. The finish of column and wall caps shall be smooth with radius edges.

ii. Form Removal: Formwork not supporting concrete may be removed after curing at not less than 50 degrees F for 24 hours after placing the concrete, and when curing and protection procedures are followed as specified. The concrete should be sufficiently hard so as not to be damaged by form removal.

iii. Concrete Finish Patching: Immediately after form removal, remove minor bulges and projections on exposed concrete by chipping or tooling, and rub or grind the surface. Chip honeycombed or other defective areas to solid concrete, cutting edges to right angles with the surface. Brush cavities with a grout of cement and water, and point with portland cement mortar. Cure repairs the same as the concrete

iv. Construction, control, and expansion joints: Shall be divide slab into areas not exceeding 224 square feet without reentrant corners and with length to width ratios not exceeding 1 1/2 to 1. Contractor shall submit layout plan showing proposed control and construction joint locations. Spacing shall not exceed 20 feet in either direction. Expansion joints shall be used where concrete slab abuts concrete structural footers.

7.0 Project Location and Traffic Control

A. The project is located within the Ponderosa Grove Campground in Kane County Utah. GPS Coordinates:

37°05'20.2"N 112°40'20.1"W (37.088938, -112.672258)

B. Traffic Control

a. The Campground’s 34 campsites will remain open during construction. The group site will be closed and all construction activities including, staging of materials and equipment must be done within the group site area. The group site road has a drop gate that can be closed and locked to help control traffic. Additional traffic control signs or barriers will be the responsibility of the contractor.