B09_Question_Tracker_140P2022R0110_Amd2-YOSE_Electrical__0002.pdf

Question No. Question Response

1 Are we to purchase materials at the time of award and store them?

This will be at the discretion of the offeror. Offerors should develop proposals based on their proposed means and methods and other factors they determine are relevant to the project.

2 How shall we approach price increases in material for each phase?

Any resultant contract from this solicitation will be issued as a Firm Fixed Price contract without any price redeterminations. Offerors should price the contract appropriately.

Since we cannot know exact lengths of pipe and wire until work is started, will NPS compensate for price increases in materials?

Any resultant contract from this solicitation will be issued as a Firm Fixed Price contract without any price redeterminations. Offerors should price the contract appropriately.

4 Who is responsible for removal of power poles?

Removal of all existing power poles that are not shown specifically to remain are included in the Contractor's scope of work. This is stated in Contract Drawings included sheets E103 Key Note 5, E203 Key Note 1, and E303 Key Note 1.

5 Is there a spec on asphalt repair?

Asphalt specification for patching at new or demolished structures attached. Hot mix shall be used. For trenches in locations where asphalt pavement, or remnants of asphalt pavement exists, backfill trenches with 1000 psi concrete placed 1/2" above the highest adjacent pavement within a 10' distance. Asphalt pavement exists in Ranger Camp West only.

6 Is a concrete collar required on all hand holes?

Yes, a concrete collar is required on all hand holes (HH) or pull boxes (PB). See details 3/E503 and 4/E503, both traffic and non-traffic locations. HHs or PBs in traffic areas shall be set 1" below grade in traffic areas, and 2" above grade in non-traffic areas.

7 When is concrete encasement required?

Concrete encasement is required whenever the 24" of cover over the electrical conduit is not achievable per Dtl 2/E502 and 5/E503 and Specification Section 26 05 43 Electrical - Exterior Underground. Concrete encasement shall be "Flowable Fill" per Specification 31 23 33 Trenching, Backfilling, and Compacting for Utilities and Structures. For traffic areas 1000 psi concrete shall be used for encasement, placed 1/2" above the highest adjacent pavement within a 10' distance.

8 Are generators allowed for the two small RVs allowed in the old Dog Lake Parking Lot?

Generators may be used for required temporary power at all times. Generators for RVs and the office trailer may be used during daytime working days and hours (7am and 5pm) and between 5pm and 7pm for RVs. All generators, including those required for back-up power during construction are required to meet noise level requirements and have noise attenuation insulation and features and constructed surrounds as stated in the Contract Specifications, including Sections 01 35 13 Natural, Cultural, and Resources Protection, 01 50 00 Temporary Facilities and Controls, 01 57 90 Noise and Acoustic Management.

9 Are abandoned conduit and wiring required to be removed?

All existing electrical features unless specifically shown to be re-used shall be removed per Contract Drawings including E103, E203, and E303, and the Specifications. This includes all conduit, wiring, handholes, pull boxes, panels, footings, and other electrical features. The removal includes the conduit for the abandoned underground fuel system near the Barn, shown on E103 and E112 from the barn to the underground fuel tanks.

10 Are tree removals required by the Contractor? Is it required to remove the roots?

The contractor is required to remove trees less than 12” in diameter in the alignment of electrical trenches, as stated in the contract drawings and specifications, including Section 01 27 00 Definition of Contract Line Items and Section 01 35 13 Natural, Cultural, and Resource Protection. All removals are subject to approval by park natural resources staff. Written approval is required for all tree removals per various Specification Sections including 31 10 00 Site Clearing. The Contractor is required to tag trees proposed to be removed and to provide the COR with a minimum one week notice to set up a meeting with Yosemite natural resources staff for approval or disapproval. A tree inventory and condition assessment is required at the start of the project per Specification 01 35 13. Only those trees within a reasonable width required for trenching will be allowed, i.e. 8’ +/- in width along trench alignments, as approved in writing by the CO and park natural resources staff as noted above.

11 Is the Contractor required to remove roots?

Per Specification Section 31 10 00 Site Clearing organic materials shall not be buried. Methods for root removal are addressed in Specification Section 01 35 13 Natural, Cultural, and Resources Protection.

12 The alloted 20'x50' staging area will not be large enough.

Additional material storage or equipment staging areas will be discussed with the Contractor after award, with areas allowed by the COR in areas that will not interfere with park operations and public access, and will not create safety hazards

YOSE 228193, 228205, 228214, TM ELECTRIC DISTRIBUTION REPLACEMENT

QUESTION / RESPONSE MATRIX

Amendment 001 1 YOSE 228193, 228205, 228214, TM ELECTRIC DISTRIBUTION REPLACEMENT

YOSE 228193, 228205, 228214, TM ELECTRIC DISTRIBUTION REPLACEMENT

Building #3002: Are the existing light switches to be replaced and how will the new wiring be run to them?

Existing switches shall remain and be re-used, unless otherwise noted. The existing wiring shall be fished out of the existing walls and replaced with new MC cable to the existing switch, unless secured to the walls, in which case new junction boxes shall be installed in the attic and the existing wiring attached in the new junction box.

Building #3002: Crawlspace and Attic: Existing wiring is shown to be replaced with new wiring in conduit. How are existing circuits to be connected?

The existing wiring shall be fished out of the existing walls and replaced with new MC cable to the existing circuits, unless secured to the walls such that it cannot be fished out, in which case new junction boxes shall be installed in the attic or crawlspace, and the existing wiring attached in the new junction boxes.

15 How will Tribal Monitoring be performed?

Tribal monitoring shall be performed and coordinated by a Contractor hired tribal monitor approved by the CO and park tribal staff. This is addressed in Specification Section 01 35 60 Tribal Cultural Monitoring. In additional, the following requirements shall be included. The cultural monitor will:

Survey areas within the area of potential effects to identify culturally significant resources.

Oversee American Indian interests and concerns with culturally significant resources, such as traditionally used plant species, spiritual areas, archeological sites, and historic village sites within Yosemite National Park.

Track scheduling associated with project implementation and respond appropriately to activities avoiding project delays.

Assist in the protection and interpretation of natural and cultural resources by providing traditional cultural American Indian expertise in areas where there is potential to affect resources with cultural and religious significance during activities associated with the projects.

In the event of a discovery (including resources protected under the Native American Graves Protection and Repatriation Act, historic and prehistoric deposits and materials, human remains, or other sensitive resources) work with contractor and park project staff to ensure the protection and appropriate treatment of the sensitive resources and the discovery area. Contact Yosemite Archeology Office at 209-379-1455 with any questions or concerns regarding the treatment of a discovery.

Submit a digital or hard copy summary report with non-confidential findings concerning implementation of the preservation and protection program conducted under the terms of this agreement and a daily log of project activities (daily log attached) with final invoice to the Yosemite American Indian Liaison in a structure compatible with the park’s reporting formats. This can include:

Daily Log of Project Activities (Sample Attached) Ethnographic Resources (traditional use plants, etc.)

Photos/jpg Files This information will be incorporated into a park database of culturally significant resources. Furthermore, this information may be shared with other culturally associated tribes.

16 Does the park have a contact for a Tribal Monitor?

The Contractor may contact Harlan Dewey (harlandeweydawnch@gmail.com) 760-937-5537, at the Bishop Paiute Tribe to develop the budget for tribal monitoring.

E102 - Single line shows that we will be installing conductors for (13) new circuits into panel MP-WR-001. Drawing E115 only shows conductors for (9) new circuits leaving panel MP-WR-001.

Please advise which drawing is correct.

1) Remove MP WR-001 CKT 25,27. Tent Cabin 3032 is fed from PNL-WR-001;

2) Replace Qty 2 with Qty 3 #”C -9#2, 3#8G leaving MP-WR-001; and

3) Replace Qty 2 with Qty 3 for 3”C-9#2, 3#8G leaving existing vault at in front of MP panels.

E202 - Single line shows that we will be installing conductors for (4) new circuits into panel MP-ER-

001. Drawing E115 only shows conductors for (3) new circuits leaving panel MP-ER-001. Please advise which drawing is correct.

1) Add (1) 3”C - 3#2, 1#8G leaving MP-ER-001. Continue (1) 3”C – 3#2, 1#8G to Shower and Laundry Bldg.

E112 – Note: 3 states to use Fixture Type-X5 on the exterior of Barn #3003. X5 is not an appropriate fixture type for this installation. What fixture type should be used?

X7 Warehouse Shade Scone Light.

20 E112 – What is the fixture type for the new light fixture in the Historic Tack Shed #3004? X2 LED Surface Mount 21 E113 – What is the fixture type for the new light fixtures in the Hard Roofed Kitchen #3310? X2 LED Surface Mount

E117 – Note: 5 states to remove “several” trees less than 12” in diameter. How many are “several”?

Will the NP Service identify which trees are to be removed? Or can we remove ANY tree less than 12” in diameter?

See Responses #10 and #11 above

E123 – Note: 11 states that there is an existing conduit that can be reused on this drawing. Where is this spare conduit located?

Replace note 10 with Note 11 on the plan. The conduits run from the West Ranger Parking Area handhole to the East Ranger Shower and Laundry Building handhole.

E124 – There is a new trench from E124 to E212. There are (3) 3” conduits shown on E124 and (4) 3” conduits shown on E212. Which is correct?

There are two existing 3”C to be reused. Two new 3”C shall be installed for a total of four.

Amendment 001 2 YOSE 228193, 228205, 228214, TM ELECTRIC DISTRIBUTION REPLACEMENT

YOSE 228193, 228205, 228214, TM ELECTRIC DISTRIBUTION REPLACEMENT

E217 – There is a trench shown from E217 to E221. E217 shows one 3” conduit in this trench with (9)#1/0, #6G and one 3” conduit in this trench with (6)#2, (3)#8G. E221 shows one 2” conduit in this trench with (9)#1/0, #6G and one 3” conduit in this trench with (9)#2, (3)#8G. Which is correct?

Route from West Ranger Parking area handhole to Shower and Laundry handhole shall be:

(2) 3”C(E) - 3#4/0, #6G 3”C – 3#4/0, #6G

All Areas – There is a substantial amount of “non-permanent” items throughout the project site that will be in the way of construction, (firewood, picnic tables, bicycles, etc.) Who will be responsible for moving and replacing those items?

The Contractor will be required to temporarily relocate and return exterior existing items that may be in the way of construction, such as firewood, picnic tables, chairs, etc. Personal items such as bicycles and kayaks may be relocated by the Contractor to a location nearby, however, building occupants shall be given the opportunity to move them first through advance scheduling and notification/posting of impact by the Contractor. Scheduling and advance notice is critical in this project and is described in detail in multiple Specification Sections, including 01 11 00 Summary of Work, 01 14 16 Coordination with Owner's Operations, 01 31 00 Project Management and Coordination, 01 32 16 Project Schedule, and 01 50 00 Temporary Facilities and Controls. This includes detailed project schedules including maps showing work in specific areas and buildings, and power disruptions. Occupant notifications and postings on affected buildings are required by the Contractor with updated Three Week Look Ahead Schedules provided every Monday, and posting of work affecting each facility at least one week in advance. Schedules shall be adhered to.

All Areas – Will the dirt spoils need to be removed from YNP? Or is there a location inside the park where dirt spoils can be disposed?

All excavated soils, boulders, tree material, and other debris are to be removed and disposed of outside the park, per Contract Drawings and Specifications, including Specification Sections 01 35 13 Natural, Cultural, and Physical Resources Protection, 31 10 00 Site Clearing. This applies to all construction waste, including unused excavated soils, organic materials including trees and roots, unused concrete, or concrete washout material.

Suitability of soils for backfill shall be determined by the soil composition and gradation data gathered and analyzed by the Contractor hired Geotechnical Testing Agency and approved or disapproved by the CO per Specification Sections 31 23 00 Earthwork and 31 23 33 Trenching, Backfilling, and Compacting for Utilities and Structures. Topsoil shall be salvaged per various Specification Sections including 01 35 13 Natural, Cultural, and Physical Resources Protection, and 31 10 00 Site Clearing.

28 Will the tents be occupied during construction?

All tents will be occupied during construction, except for a one week period for blocks of four cabins, per multiple Specification Sections, including 01 11 00 Summary of Work Para 1.5 D "Maximum parallel construction activities shall be limited to four occupied residential cabins within a single period of time. One week shut downs for buildings scheduled for complete replacement of electrical systems, i.e. the Tent Cabins, shall be allowed and shall occur in groupings of a maximum of four cabins concurrently. Schedules shall be provided by February 1st of the year prior to the construction season, adjusted slightly once the camp opening date is determined based on snow conditions, to allow adequate time for staff relocations to be planned Contractor shall detail the workplan showing the sequence of construction and buildings affected, in the detailed schedule submitted to NPS for occupancy coordination." See also scheduling requirements as noted in RFI Question 26.

29 Can the Superintendent and the SSHO (site safety officer) be the same person?

Yes, the Superintendent and the Site Safety Officer may be the same person. The Quality Control Officer shall not be the same person, however, per Specification Section 01 40 00 Quality Requirements.

30 Can you provide the sign in sheet from the job walk on August 9, 2022? This attachment is provided in this amendment 001 31 In the RFP the “Project Experience” form is missing, Can you provide? This attachment is provided in this amendment 001 32 In the RFP the “General Reference” for is missing, can you provide? This attachment is provided in this amendment 001

E211: There are two existing lights on the exterior west end of building #3002. One is under the small porch roof and one is on the gable end. The south porch does not have an existing light, but E211 shows to replace one.

The two lights on the exterior west end are to be replaced in their existing locations. The one under the porch roof should by type "X1" and the one up on the gable end should be "X3". The light shown on the south porch is eliminated - see marked up drawing E211.

Amendment 001 3 YOSE 228193, 228205, 228214, TM ELECTRIC DISTRIBUTION REPLACEMENT

Amendment 0002