Read Skywalk Construction Meeting Minutes, March 4, 2009 (PDF)

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. . . . Amphitheater, Idenlification of facilty that wil provide enclosed space for Native dancers and performers, to keep warm in colder temperatures. . Retail Cluster. Future development to potentially be expanded to adapt to descending terrain, achieving a multi-storied building without exceeding height standards. . EP North Rim Outlook Trail, Development of a trail to the northwest of the Skyalk to maximize outlook vistas available to the public. . Special Events Plaza. Identification of open-spaced plaza south of Skywalk. . Site Remediation, Consideration of strategies aimed at remediating severely impacted site between the Amphitheater and the Skywalk facilty. Landscape architecture may apply elevation lift, rock work, and indigenous vegetation. . Cul-de-sac, Establishment of 50' radius, compliant with residential zoning standards. Support fire suppression activities and special event staging. . Parking. Parking alternative utilizing descending terrain near north rim, without creating cross-irculalion points of conflict for pedestrians and vehicles. Alternatives to be considered. Fo/lowU : R. Ma en C. Daines WAiJEL, C. Daines WAiJEL C. Daines C, Daines B. Utilty Development. Isue: Actn Item: Tribal Elders -Input Oblain input frm Hualapai Tribal Elders rearding the EP Site Plan. Parking Altrnaties Develop altrnatie parkng stteie for EP that preserv Nort Rim vista. EP Mastr Plan Schedule Revise Gantt Chart projectng completin of EP Master Plan proc, Stimulus Funding Examine Stimulus funding that may support constrcton oo of EP Master Plan. ¡' ":';'i¿:;!'nl1i",",l DESIGN DEVLOPMENT' FOLLOW.uP.'~1\!!".:' "'\l":'i'ti".:;fiii;: n\i~!:. .:. Power. . Cummins Assessment of Propane Generators. A letter from Rocky Mountain Cummins Power Generalion Division was reviewed by the committee. Cummins had inspected the propane gensets and made recommendations to GCRC on 214/09 regarding the need for a major overhaul of both units. The cost of a new diesel generator (300KVA sized engine) is approximately $61,000. The cost to overhaul each propane generator is $50,000. The committee agreed that a new purchase would be more prudent than attempting to refurbish 15-year old gensets, and that the trade-in value of the generators should be explored. . Permanent Utilty Yard Location, Weller Architects and JEL & Associates reviewed the design development of a utility yard and recommended placing two diesel engine generators southwest of the Skywalk building approximately 1,000 feet near the area of the proposed sewage treatment plant. This would locate generators away from the Skywalk building and public gathering areas. This would also require larger conductors between the generator and the buildings. The conductors would be installed in underground conduits, however, In the future when grid power is extended to the site, the connection point would be in the area of the generators with no disruption of Skywalk or plaza area activities. Diesel fuel tanks would be located near the engine generators, an additional reason to keep them remote from the Skyalk area and public gathering areas. The use of sound attenuation enclosures was discussed to minimize noise impact throughout EP site. Effective fuel containment systems wil be incorporated in NE designs to provide protection against fuel spillage at site. . Considerations of Short-term Utilty Yard Location. During the 1-14-09 Skywalk meeting, an alternative for short-term power was discussed. A diesel generator might be rented that could hook directly to the Skywalk building so that the elevator, fire alarm, and MEP could be tested as soon as possible, unlil such time that gensets and fuel tanks are configured within the utility yard near the Advantex site. This alternative is functional but is not eco-sensitlve given the possibilty of a fuel spil in close proximity to the Grand Canyon rim (in this case within 30'), impacts to the north rim ledge to support the configuration of gensets and fuel tanks, noise impact to existing operations, and visibilty of the ulility yard from the Skywalk building. It Is recommended that the permanent solution be implemented as soon as possible involving the location of the utilty yard 2 GCSD010433 ~
. away . . ", from the facilty, with conduits, conductors, sound abatement measures, and transformers designed in a manner to power the building and site. . Permanent Power Provider. JEL & Associates addressed the concept of extending power along Buck and Doe Road (a strategy that had been discussed at a 2/20/09 Hualapai Tribal Council meeting). The closest sub-station operated by Mohave Electric is 50-miles outside of GCW, constituting an "out-of-service" area. UniSouræ, the power provider in the immediate vicinity of Meadview and Dolan Springs, has been engaged in a power distribution feasibilty analysis to connect GCW to the grid. The committee discussed the possibility of the Hualapai establishing its own tribal utility authority (TUA). A feasibilty analysis was completed 9/25/07 by the Hualapai Planning and Economic Development Department regarding the establishment of a TUA. .:. Water . 10" Water Line Plans & Profiles. Engineered plans and profies of the 10" water line and delivery system connecting Eagle Point to the Airport were discussed. AlE is approximately 75% complete. Weller Architects and JEL & Associates wii develop constrction documents for TERC review before releasing project for bid. Fire hydrants within Site Plan have been identified. . Fire Pump House - Contractor's Submittals and P&D Review 11-30-07. A fire pump house (FPH) with a diesel powered engine has been purchased and is sitting on site. The FPH dimensions are 10'8" x 16'8" x 9'0" (approx). It contains a Fire Department Connection (FDC) and its own diesel fuel storage lank within the FPH. On 11-30-07, P&D reviewed the Contractor's submitti for the FPH, and made a recommendation to the Hualapai Tribe for its approval. Included in the submittals were Fire Protection Shop Drawings, Specifications & Calculalions. The FPH was designed to be within 300' (approx) from Fire Protection point of connection (POC, I.e. 5' outside of building). Water storage tanks and piping constituted an integral part of the fire suppression pian as submitted by the Contractor; however, water tanks have not been ordered, based on the Owner's instructions as of 11/05/08 to allow for an Eagle Point master planning initiative to be conducted. . Suspension of FPH and Water Tank Installation to Allow Utilty Master Planning. On 9/24/08, GCRC authorized a $275,386 contract with Weller Architects and JEL & Associates to conduct master planning of Eagle Point. Comprehensive utilty planning was identified as a critical deliverable. The schematic layout of Eagle Point was adopted by the Hualapai Council on 11/24/09, and a task force involving GCRC, the Hualapai Tribe and GCSD representatives met on 12/08/08 to review water delivery options. it was mutually agreed upon by the meeting participants that the design and construction of a 10" water line extending from the GCW Airport to Eagle Point provided (a) the most effective solution for fire delivery purposes, (b) the greatest cost benefi, and (c) a solulion that would eliminate the incongruent aesthetics of large water tanks and a FPH being placed near the Skywalk facility. . AlE Development of 10" Water Line. On 1/07/09, GCRC authorized a $17,870 contract for topographicai surveying of Eagle Point, and on 2/04/09, GCRC authoried a $149,632 contract to develop the plans and profiles of the 10" line. Weller Architects and JEL & Associates will update the Skywalk committee on 4/08/09 regarding the water line and fire suppression planning. .:. Wastewater . Grade Analysis. The committee reviewed the grade between the proposed Advantex wastewater system and the point of discharge north of Skywalk facility. An 11' cut would be necessary to provide gravity fiow from point to point, compared to a sewer foræ main system requiring a 4' cut. Using a carbide-tipped trencher capable of grinding and refillng the cut without lateral impact to the surrounding landscape, a 42" ditch would support the installation of a force main system. The cost difference between an 11' ditch versus a 4' ditch is significant. 3 GCSD010434
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Page 15: . . . Glass Bridge and which wili a

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