Attachment_9_Supplemental_Design_Clarifications.pdf

10/20/15

SUPPLEMENTAL DESIGN CLARIFICATIONS

Indian Health Service – Chemawa Health Center Modernization

The following changes, modifications, additions and clarifications shall be made to the Contract Documents for the Chemawa Health Modernization project. This supplemental design clarification shall be bound to the inside front cover of the construction documents. Acknowledgment of this document shall be indicated on your bid proposal form.

GENERAL

PROJECT MANUAL

Section 011000 – Summary:

1. Section 1.2.B.1 – Change contact telephone number to (503)930-3375.

2. Section 1.2.B.2 – Change contact telephone number to (503)304-7642.

3. Section 1.2.C – Change Architect contact from Ken Grist to Eliot Black (509) 737-

6919.

4. Revise Section 1.7, Paragraphs A and B as follows:

A. Partial Owner Occupancy: Owner will occupy the premises during entire construction period, with the exception of areas under construction.

Cooperate with Owner during construction operations to minimize conflicts and facilitate Owner usage. Perform the work so as not to interfere with the Owner's operations. Maintain existing exits unless otherwise indicated.

1. Maintain access to existing walkways, corridors, and other adjacent occupied or used facilities. Do not close or obstruct walkways, corridors, or other occupied or used facilities without written permission from Owner and Authorities Having Jurisdiction.

2. Provide not less than 72 hours' notice to Owner of activities that will affect Owner's operations.

B. Owner Limited Occupancy of Completed Areas of Construction: Owner reserves the right to occupy and to place and install equipment in completed portions of the work, at Substantial Completion of the work, provided such occupancy does not interfere with completion of the work. Such placement of equipment and limited occupancy shall not constitute acceptance of the total work.

1. Before limited Owner occupancy, mechanical and electrical systems shall be fully operational, and required tests and inspections shall be successfully completed. On occupancy, Owner will operate and maintain mechanical and electrical systems serving occupied portions of work.

2. On occupancy, Owner will assume responsibility for maintenance and custodial service for occupied portions of work.

3. Occupation of portions of work by the Owner shall constitute acceptance of finishes. Contractor will not be held responsible for damage to finishes by occupants.

5. ADD paragraph 1.7D as follows:

D. Partial Owner Occupancy: modify evacuation route maps and signage as needed. If an evacuation route is eliminated because of construction activities, cover or remove exit signs to prevent confusion.

5. Paragraph 1.8.B.4: REVISE Thursday mornings to Wednesday mornings.

6. DELETE Paragraph 1.8.H.

Section 012500 – Substitution Procedures:

1. REPLACE paragraph 2.1.B to read as follows:

Substitutions for convenience shall not be considered during the bidding process.

These shall be reviewed during submittal review.

Section 012600 – Contract Modification Procedures:

1. Paragraph 1.3.A: REPLACE references to “Contracting Officer’s Representative” with “Contracting Officer.”

Section 014000 – Quality Requirements:

1. DELETE paragraph 1.6.H.

2. ADD to the end of paragraph 1.8.A, “General Contractor to compile a list of special tests and inspections required by the construction documents.”

Section 016000 – Product Requirements:

1. REVISE paragraph 2.2.A to read as follows:

Conditions for Consideration: COR will consider Contractor's request for comparable product during the submittal review period when the following conditions are satisfied. If the following conditions are not satisfied, COR may return requests without action, except to record noncompliance with these requirements:

Section 017839 – Project Record Documents:

1. REVISE paragraph 2.2.B to read as follows:

Record Digital Data Files: Immediately before inspection for Certificate of Substantial Completion, review marked-up record prints with COR. Upon acceptance by the COR, prepare a full set of corrected digital data files of the Contract Drawings, as follows:

Section 237000 – VRF Air Conditioning System:

1. REVISE item 1.3.A regarding Delegated Design to read as follows: “Delegated Design: Design equipment supports to comply with seismic performance requirements, including comprehensive engineering analysis by a qualified professional engineer, using applicable performance requirements and design criteria indicated or otherwise required by project conditions.”

2. REVISE subparagraphs in paragraph 1.4 to eliminate duplicate callouts as follows:

a. “A. Product Data…”

b. “B. Shop Drawings…”

c. “C. Delegated-Design Submittal…”

d. “D. Alternate Product Submittal…”

3. REVISE paragraph 1.4.C regarding Delegated-Design Submittal as follows:

a. REVISE item 1.4.C to read as follows: “Delegated-Design Submittal: For equipment support and seismic restraint requirements, including analysis data signed and sealed by the qualified professional engineer responsible for their preparation.”

b. REVISE item 1.4.C.1 to read as follows: “Design Calculations: Calculate requirements for equipment supports and selecting vibration isolators and seismic restraints.”

c. REVISE item 1.4.C.3 to read as follows: “Seismic Restraint Details: Detail fabrication and attachment of seismic restraints and snubbers. Show anchorage details and indicate quantity, diameter, and depth of penetration of anchors.”

4. REVISE subparagraphs in paragraph 1.5 to eliminate duplicate callouts as follows:

a. “A. Qualification Data…”

b. “B. Manufacturer Wind Loading Qualification Certification…”

c. “C. Manufacturer Seismic Qualification Certification…”

d. “D. Sample Warranty…”

5. DELETE item 1.5.B regarding Manufacturer Wind Loading Qualification Certification.

6. DELETE the abbreviation “RTUs” from item 1.5.C.

7. ADD the following as item 1.5.E: “Service Availability Data: Include listing of at least one (1) service and maintenance organization whom is familiar with the installation, service, and maintenance of selected VRF system manufacturer’s equipment.

Include only organizations located within 50 miles of the Salem, Oregon area.”

8. REVISE paragraph 2.1.A to read as follows:

“Basis-of-Design Product: Subject to compliance with requirements, provide product indicated on Drawings or comparable product by one of the following as approved by the COR (Refer to Specification 012500):”

9. DELETE the phrase “Nominal performance data is not acceptable.” From item 2.1.B.1.

10. DELETE items 2.1.B.2 and 3.

11. REVISE the first sentence of item 2.1.B.4 to read as follows: “The alternate equipment supplier shall furnish a complete drawing package to the mechanical contractor within 30 days after bid date for installation and submittal in accordance with 1.4.D.”

12. ADD the following as item 2.1.B.7: “Include a listing of at least one (1) but no more than five (5) manufacturer certified maintenance personnel within 50 miles of the Salem, Oregon area.”

13. ADD the following as paragraph 2.1.C:

“C. Equivalency: Where an alternate VRF system manufacturer’s equipment has features or operation that differs from this specification, but functions substantially the same as the basis-of-design system, such reasonable deviations shall be allowed provided that the required equipment capacity and performance noted on the Drawings are maintained and no significant modification to building construction beyond that required for the basis-of-design system is required.

1. Examples include but are not limited to:

a. Two-pipe vs. three-pipe heat recovery operation.

b. Coil construction type,

c. Branch selector box quantity and location.

d. Control voltage and wiring type.”

14. ADD the following sentence as item 2.4.A.2.b: “The unit shall include manufacturer’s standard wire-formed coil guards which protect the unit from inadvertent damage.

Protection from hail is not required.”

15. ADD the following sentence as item 2.4.B.4.d: “Multiple units may be connected on the same electrical circuit subject to the requirements of local electrical code and the electrical design drawings for the building.”

16. DELETE the word “Daikin” from item 2.4.C.2.

17. ADD the following sentence as item 2.4.C.6.b: “Multiple units may be connected on the same electrical circuit subject to the requirements of local electrical code and the electrical design drawings for the building.”

18. REVISE item 2.5.A to read as follows: “Each controlled zone shall be equipped with manufacturer’s standard full-featured remote controller in the space. Controller shall be capable of controlling all unit functions including temperature setpoint, occupancy override, fan speed (locked out centrally based on air balance settings), and show unit maintenance indications and allow service personnel to utilize the device for troubleshooting.”

Section 237433 – Dedicated Outdoor Air Units

1. ADD the heading “1.3 – DEFINITIONS” to document. Renumber subsequent headings in Part 1 of document.

2. ADD the following as item 1.3.A: “RTU: Rooftop Unit. Single packaged HVAC system which resides on building roof, and provides heating, cooling, ventilation, humidification, dehumidification, or a combination thereof.”

3. DELETE item 1.5.A (formerly 1.4.A) regarding Manufacturer Wind Loading Qualification Certification.

4. REVISE paragraph 1.4.B (formerly 1.3.B) and subparagraphs regarding Delegated Design Submittal as follows:

a. REVISE item 1.4.B (formerly 1.3.B) to read as follows: “Delegated Design

Submittal: For RTU supports and seismic restraints, including analysis data signed and sealed by the qualified professional engineer responsible for their preparation.”

b. REVISE item 1.4.B.1 (formerly 1.3.B.1) to read as follows: “Design Calculations: Calculate requirements for selecting seismic restraints and equipment supports and building attachments.”

c. REVISE item 1.4.B.3 (formerly 1.3.B.3) to read as follows: “Seismic Restraint Details: Detail fabrication and attachment of seismic restraints and snubbers.

Show anchorage details and indicate quantity, diameter, and depth of penetration of anchors.”

5. REVISE item 2.2.A to read as follows: “Delegated Design: Design RTU supports to comply with seismic performance requirements, including comprehensive engineering analysis by a qualified professional engineer, using performance requirements and design criteria indicated or otherwise required by project conditions.”

6. ADD the following as item 2.2.F and subparagraph 2.2.F.1.:

“F. Seismic Performance: Equipment shall withstand the effects of earthquake motions determined according to SEI/ASCE 7.” “1. The term “withstand” means “the unit will remain in place without separation of any parts from the device when subjected to the seismic forces specified.”

7. ADD the following as item 3.2.H.: “Install seismic restraint devices on all required items as determined by Delegated-Design Professional Engineer.”

DRAWINGS

Drawing T101 – Cover Sheet:

1. Under PROJECT INFORMATION, under ARCH/ENGR Contact, replace “Ken Grist” with “Eliot Black and Colin Bates.”

2. Under APPLICABLE CODES, the edition for the International Building Code (IBC) and the International Mechanical Code (IMC) shall be changed from 2014 to 2012.

Drawings A121 and A123:

1. ADD corridor carpet demolition, new carpet tile under Option 4, and carpet in room 137 per sketches SK1-A121 and SK1-A123 (attached).

Drawing E003 – One Line Diagram Before:

1. Change the room number on (E)PANEL/P1 from RM 176 to RM 156.

Drawing E106 – Phase 6 – Option 1 Elec Site Demo:

1. DELETE flag note 7 sheet E106.

Drawing E107 – Phase 6 – BID OPTION 1, NEW ELECTRICAL SITE PLAN:

1. RELOCATE CCTV camera per sketch SK1-E107 (attached).

2. Delete Flag Note 14 sheet E107.

Drawing E301 – Phase 1, 1A, 1C DEMOLITION SPECIAL SYSTEMS:

1. ADD existing electronic door strike at exterior door at Corridor 144 per sketch SK1- E301 (attached).

Drawing E302 – Phase 1, 1A, 1C NEW FLOOR PLAN SPECIAL SYSTEMS:

1. ADD security keypad at exterior entrance near Room 311 per sketch SK1-E302 (attached).

2. ADD electronic door strike at exterior door at Corridor 144 per sketch SK1-E302 (attached).

Drawing E310 – Phase 0 – OVERALL COMMUNICATIONS PLAN:

1. MOVE CCTV camera per sketch SK1-E310 (attached).

Drawing E311 – Phase 0 – OVERALL COMMUNICATIONS PLAN:

1. ADD CCTV camera per sketch SK1-E311 (attached).

Drawing E312 – Phase 0 – OVERALL COMMUNICATIONS PLAN:

1. RELOCATE CCTV camera per sketch SK1-E312 (attached).

Drawing E601 – Electrical Schedules:

1. DELETE remarks “BID OPTION, SEE E107” from fixture S8.

gkompkof Callout MOVE CAMERA TO CENTER OF THE BUILDING TO COVER STAFF PARKING LOT TO THE SOUTHWEST.

gkompkof Line gkompkof Text Box

STAFF PARKING

Line gkompkof

MOVE CAMERA AS SHOWN AND ADD NOTE: FINAL LOCATION OF ALL PHARMACY CAMERAS TO BE APPROVED BY COR.

Line gkompkof

REPOSITION CAMERA TO CENTER OF MODULAR TO COVER STAFF PARKING LOT.

ADD AN ELECTRICAL

OUTLET ON THIS SIDE

OF WALL.

Sht E205 - ROOM156-157 POWER gfk