A02 SOW (updated) 0011517604 Microphones Calibrator APHC.pdf

STATEMENT OF WORK

1. GENERAL DESCRIPTION:

This acquisition will cover the purchase and delivery of Microphones and Calibrator equipment and must include maintenance manuals, warranty information, and one (1) year equipment phone assistance. The requirement is BRAND NAME for GRAS Sound & Vibration specific equipment.

2. PURPOSE & BACKGROUND:

The mission of the APHC is to “Enhance Army readiness by identifying and assessing current and emerging health threats; developing and communicating public health solutions; and assuring the quality and effectiveness of the Army’s public health enterprise.”

The purpose of this acquisition is to provide the U. S. Army Public Health Center (APHC), Clinical Public Health and Epidemiology (CPHE), at Aberdeen Proving Ground, Maryland the following GRAS Sound & Vibration brand microphones and microphone calibrator equipment to continue to create a novel, body worn system capable of measuring impulsive noise exposure on soldiers participating in live fire exercises and will be used to measure impulsive noise exposure on soldiers participating in live fire exercises as part of the Soldier Occupational Health Assessment (SOHA) process. The acquisition must include the following:

• Quantity of Twelve (12) – GRAS 47BX-S7 Flush Mount Microphone Sets consisting of a 1/4" precision pressure measuring microphone with built-in CCP preamplifier (2020)

• Quantity of One (1) – GRAS 42AC High Level Pistonphone - freq 250 Hz level

134 dB

The contractor shall include Shipping and Maintenance Manuals as well as provide Warranty Information and One (1) Year Phone Assistance for the equipment.

3. Technical Specifications/Salient Characteristics:

Microphones

• Each microphone must be ¼ inch pre-polarized with integrated constant current preamplifier

• Each microphone must have a dynamic range up to 184 dB Peak

• Each microphone must include a frequency response from 4 Hz to 70 kHz

• Each microphone must be low profile form-factor (18 mm overall diameter, 9.1 mm overall height)

Calibrator

• Calibrator must include 1 high sound pressure level pistonphone

• Calibrator must have a frequency of 250 Hz

• Calibrator must have a pressure level of 134 dB SPL

4. Delivery Details:

The vendor is responsible for shipping to the following address:

U. S. Army Public Health Center (APHC) - Logistics 8252 Blackhawk Road; Building E5158 Gunpowder, MD 21010

Expected delivery is within 4 weeks after contract award.