Architectural drawings include the following:

1/8" scale drawing with dimensions, window and door
sizes and room designations (Bedroom #1 12' x 14'... etc)

1. Front elevation
2. Right side elevation
3. Rear elevation
4. Left side elevation
5. Ground floor elevation
6. First Floor plan
7. Second Floor plan (where applicable)
8. Third Floor plan (where applicable)

Engineered drawings include the following:

1. Ground level framing
2. First floor framing
3. Third floor framing
4. Roof framing
5. Piling layout
6. Girder layout
7. Piling details
8. Section details

Electrical Plans include the following:

1. Ground level electrical plan
2. First floor electrical plan
3. Second floor electrical plan

Specifications:

Includes the following in layman terms so no one gets lost 
in the translation, especially the homeowner.

1. General Conditions
  a. Who does what
  b. Who is responsible for what

2. Concrete
  a. Type, strength, reinforcing needs
  b. When and how to pour and cure

3. Concrete Pilings
  a. Type, size and strength
  b. How they should be installed (very important)

4. Metals
  a. Straps, nuts, bolts & nails to use

5. Framing
  a. Size of lumber, wood type and grade for all parts
      of the house
  b. Window and door framing requirements
  c. Pressure treated lumber, where to use

6. Exterior Windows and Doors
  a. general specifications that are standard in the
      industry and how to find out more about the doors and 
      windows you specify.

7. Exterior Finishes
    a. general details of installation for different
        types of siding and where to find more specific 
        details for your chosen product.

8. Roofing
    a. general details of installation for different types of roofing 
        and under-layment standards in the industry

9. Thermal Insulation
  a. required insulation for all walls, ceilings and
      floors, as well as, how and where to use foam

10. Drywall
  a. size and type to use
  b. proper installation

11. Interior Trim
  a. type material, size and where to install
  b. interior door sizes and type to use (paint grade, stain grade, 
      six panel, Masonite, wood, etc.)

12. Paint and Staining
  a. Type of paint, color and where to use
  b. primer and number of coats required

13. Cabinets
  a. type and where to use
  b. cabinet tops/counters required

14. Carpet and Pad
  a. general requirements for good carpet and allowance

15. Vinyl
  a. general requirements for good vinyl and allowance

16. Ceramic Tile
  a. type, size and where to use
  b. proper installation

17. Appliances
  a. general requirements and allowance

18. Plumbing
  a. general specifications, with type and size of piping
  b. hot water heater
  c. fixture type and location

Master/Bedroom Baths
  Sink: You specify
  Faucet: You specify
  Commode: You specify
  Tub and shower: You specify
  
19. HVAC (Heating Ventilation and Air Conditioning)
  a. specify size and how many to use
  b. specify SEER (Seasonal Energy Efficiency Ratio)

20. Electrical
  a. specify size and type of wire
  b. specify fixture type and location

All specifications are general in nature and are designed to 
prompt you to areas you may need to know more about or specify 
when speaking with a contractor or subcontractor for each phase 
of the work. They are not 100% hard fast rules to live by. Some 
may not be required or offered in your area.