This series contains plans (negatives) drawn up by the department as part of its construction and maintenance function. The plans are arranged numerically within alphabetical groups which indicate department and discipline as follows:-CP - Weapons Research
Establishment
MSA - Maralinga, South Australia, architectural
MSC - Maralinga, South Australia, Civil
MSE - Maralinga, South Australia, electrical
MSM - Maralinga, South Australia, mechanical
MSS - Maralinga, South Australia, structural
SAM - unknown (possibly Defence)
SAS - South Australia, architectural, Salisbury DRC
SAW - South Australia, architectural, Woomera DRC
SCS - South Australia, civil, Salisbury DRC
SCW - South Australia, civil, Woomera DRC
SES - South Australia, Electrical, Salisbury DRC
SEW - South Australia, Electrical, Woomera DRC
SMS - South Australia, mechanical, Salisbury DRC
SMW - South Australia, mechanical, Woomera DRC
SSS - South Australia, structural, Salisbury DRC
SSW - South Australia, structural, Woomera DRC
 
This series is related to D2140 although there is no correlation between the dates of the series.  D2140 is titled 'Microfilm copies of original drawings relating to Woomera (aperture cards) single number series with variable alpha prefix'.