Документ взят из кэша поисковой машины. Адрес оригинального документа : http://www.naic.edu/~phil/hardware/telescope/Arecibo_rotatingfloor_designprop_2012.pdf Дата изменения: Tue Mar 20 17:50:10 2012 Дата индексирования: Tue Feb 5 03:25:10 2013 Кодировка: Поисковые слова: ngc 2261

FEE PROPOSAL FOR THE STRUCTURAL INVESTIGATION AND RETROFIT DESIGN OF THE EXISTING GREGORIAN ROTATING FEED FLOOR AT THE NATIONAL ASTRONOMY AND IONOSPHERE CENTER ARECIBO RADIO TELESCOPE PREPARED BY: AMMANN&WHITNEY DATE: 14 MARCH 2012 SECTION A: TECHNICAL This fee proposal is to provide engineering services to perform a structural investigation and retrofit design of the existing Gregorian rotating feed floor and the supporting feed module structure. The investigation will consist of the following: 1. 2. 3. 4. 5. 6. 7. Reviewing the original calculations and contract drawings Performing a site visit (a site visit is recommended but could be eliminated to reduce cost) Reviewing available shop drawings and as-built conditions Performing any required additional structural analysis to the rotating floor and the feed module itself Designing and detailing any reinforcements or retrofits deemed necessary Providing construction support during the retrofit Provide a new retrofit upset loading limit for the rotating floor

The final deliverable to the observatory will consist of a letter report documenting the investigation findings and if required, a set of Puerto Rico Professional Engineer signed and sealed structural retrofit drawings of the upgraded rotating feed floor and feed module with its new load capacity. SECTION B: COST Cost estimate and associated man-hours are as follows: 1.) Struct ural Investigation Structural Engineer Senior Associate Vice President 40 hrs 40 hrs 8 hrs x $90/hr x $176/hr x$176/hr = = = $3,600 $7,040 $1,408 $12,048 $4,224 $1,500 $5,724 investigation) $2,880 $5,632 $2,160 $352 $11,024 $704

2.) Site Visit (recommended) - Senior Associate 24 hrs x $176/hr - Estimated Expenses (will be billed at cost) 3.) Retrofi -

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t Design and Drawings (required only if determined by the structural Structural Engineer 32 hrs x$90/hr = Senior Associate 32 hrs x $176/hr = CAD Operator 24 hrs x $90/hr = Vice President 2 hrs x$176/hr =

4.) Quality Control - Vice President

4 hrs

x$176/hr

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Total Proposal Cost

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$29,500 (Not to Exceed)

Ammann&Whitney NY, NY

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