Figure 3.1. Transverse view of the CMS detector Figure 3.2. CMS Longitudinal View Figure 4.1. Cross-section of the endcap HCAL-HF Figure 4.2. The structure of the scintillating plane Figure 4.3. Dose rates simulated with FLUKA as a function of depth in the HF. The radii correspond to the lower edges of the 5 cm high bins. The dots show MARS results for the most exposed HCAL region. Figure 4.4. The scheme of a relative calibration of the calorimeter with a nitrogen gas. Figure 4.5. Schematic view of the "reconfigurable-stack calorimeter" Figure 5.1 Layout of the VF/PPC Figure 5.2 One half of the quartz fiber VF showing the wedge structure Figure 6.1 The longitudinal cut of a basket showing how the crystals are held by pressing mechanism Figure 6.2 An exploded view of a basket and the details of the rail system Figure 6.3 A schematic drawing of the endcap granularity Figure 6.4 The mechanical structure of ECAL Figure 6.5 The Layout of the Preshower in the Endcap Region Figure 7.1 Perspective View of CMS Endcap Muon Chamber Layout Figure 7.2 Cross sections of cathode strip chambers Figure 7.3 CSC spartial resolution Figure 7.4 Sketch of the full size prototype of one MF1 sectior Figure 7.5 Spatial resolution of full size MF1 prototype in 200 GeV muon beam (a) and in the 3 Tesla magnetic field with cosmic rays (b) Figure 8.1 Cross-section of the Tracker Figure 9.1 CMS coil attached to the central ring of the barrel yoke Figure 9.2 Cross-Section through the End of the Solenoid Figure 11.1 The structure of the Executive Committee of RDMS CMS Collaboration Figure 12.2 Overall shedule for detector construction and installation in Point 5